| 4 Copas | 4 Cross | 4 CV Rédélé Spezial |
| 4 D Sports Driving | 4 D's | 4 dólares de venganza |
| 4 de Abril do Cuando Cubango | 4 de Abril FC | 4 de Abril Futebol Clube do Cuando Cubango |
| 4 de Abril Kuando Kubango | 4 de Diciembre (El Carmen) | 4 de Julho EC |
| 4 de Setembro | 4 de Setembro (Comoro) | 4 de Setembro (Santa Cruz) |
| 4 Devils | 4 Dinos in New York | 4 dollari di vendetta |
| 4 Edle Wahrheiten | 4 Esra | 4 Eylül Belediyespor |
| 4 Fäuste für ein Halleluja | 4 für Sie | 4 für Texas |
| 4 for Texas | 4 Frauen und ein Todesfall | 4 Fun |
| 4 geben alles! | 4 gegen Willi | 4 gegen Z |
| 4 gegen Z/Episodenliste | 4 gewinnt | 4 gewinnt (Album) |
| 4 Girls in Town | 4 Grundfreiheiten | 4 GTP |
| 4 Halleluja für Dynamit Joe | 4 himmlische Freunde | 4 Hochzeiten und eine Traumreise |
| 4 Idiots | 4 Jahreszeiten | 4 Jours de Dunkerque |
| 4 Könige | 4 Kings | 4 Kontinente Meisterschaft |
| 4 Lions | 4 Little Girls | 4 luni, 3 săptămâni și 2 zile |
| 4 Makk | 4 Mächte im 3/4-Takt | 4 Minute |
| 4 Minuten | 4 Minutes | 4 mm scale |
| 4 Monate, 3 Wochen und 2 Tage | 4 Monate, 3 Wochen, 2 Tage | 4 Mos |
| 4 mosche di velluto grigio | 4 Nations Cup | 4 Nations Cup (Austragungen) |
| 4 Nations Cup 2000 | 4 Nations Cup 2001 | 4 Nations Cup 2002 |
| 4 Nations Cup 2003 | 4 Nations Cup 2004 | 4 Nations Cup 2005 |
| 4 Nations Cup 2006 | 4 Nations Cup 2007 | 4 Nations Cup 2008 |
| 4 Nations Cup 2009 | 4 Nations Cup 2010 | 4 Nations Cup 2011 |
| 4 Nations Cup 2012 | 4 Nations Cup 2013 | 4 Nations Cup 2014 |
| 4 Nations Cup 2015 | 4 Nations Cup 2016 | 4 Nations Cup 2017 |
| 4 Nations Cup 2018 | 4 Nations Tournament | 4 Nelson Mandela Place |
| 4 New Sensations | 4 Non Blondes | 4 Pfoten retten Weihnachten |
| 4 Players | 4 Plus | 4 Plus TV |
| 4 Prager Artikel | 4 Promille | 4 PS |
| 4 Quelltöpfe "Kocherlöcher" | 4 Real | 4 Reeves |
| 4 Rooms | 4 Schlüssel | 4 Seasons |
| 4 Singles | 4 Star | 4 Star Records |
| 4 Strings | 4 stroke | 4 Tage bis zur Ewigkeit |
| 4 Tage im Mai | 4 Tage von Dünkirchen | 4 Taste |
| 4 the Cause | 4 The Cause | 4 Times Baroque |
| 4 to the bar | 4 United | 4 Ursae Majoris |
| 4 Ursae Majoris b | 4 v. Chr. | 4 Vallées |
| 4 vallées | 4 VD 14,5/12-1 | 4 VD 14,5/12-1 SRW |
| 4 Voice | 4 Way Street | 4 World Trade Center |
| 4 WTC | 4 Yüz | 4 Your Soul |
| 4 zu mir! | 4%-Hürde | 4' 33'' |
| 4'-Hydroxynorendoxifen | 4'33 | 4'33" |
| 4'33'' | 4'8½" | 4(10)-Thujen |
| 4*Town | 4+ | 4+0-Verkehrsführung |
| 4+1 Sichten | 4+1 Sichtenmodell | 4,2-cm-leichte PaK 41 |
| 4,2-ka-BP-Ereignis | 4,2-Kilojahr-Ereignis | 4,25 mm Liliput |
| 4,4'-Bipyridin | 4,4'-Diacetamidodiphenylether | 4,4'-Diaminodiphenylether |
| 4,4'-Diaminodiphenylmethan | 4,4'-Diaminostilben-2,2'-disulfonsäure | 4,4'-Difluorbenzophenon |
| 4,4'-Dihydroxydiphenylsulfon | 4,4'-Diphenylmethandiisocyanat | 4,4'-Isobutylethylidendiphenol |
| 4,4'-Isopropylidenbis(2,6-dibromphenol) | 4,4'-Isopropylidendiphenol | 4,4'-Methylenbis(2-chloranilin) |
| 4,4'-Methylenbis(cyclohexylamin) | 4,4'-Methylenbis(N,N-dimethyl)benzolamin | 4,4'-Methylendi-o-toluidin |
| 4,4'-Methylendianilin | 4,4'-Methylendimorpholin | 4,4'-Methylendiphenyldiisocyanat |
| 4,4'-Oxybis(2-chlorbenzolamin) | 4,4'-Oxybis(benzolsulfonhydrazid) | 4,4'-Oxydianilin |
| 4,4'-Sulfonyldiphenol | 4,4'-Sulphonyldiphenol | 4,4,5,5-Tetramethyl-1,3,2-dioxaborolan |
| 4,4-Dimethyloxazolidin | 4,4′-(Hexafluorisopropyliden)diphthalsäureanhydrid | 4,4′-(Oxydiethan-2,1-diyl)dimorpholin |
| 4,4′-Bipyridin | 4,4′-Bis(dimethylamino)-4′′-(methylamino)tritylalkohol | 4,4′-Diaminobiphenyl |
| 4,4′-Diaminodiphenylether | 4,4′-Diaminodiphenylmethan | 4,4′-Diaminodiphenylsulfon |
| 4,4′-Diaminostilben-2,2′-disulfonsäure | 4,4′-Dichlordiphenylsulfon | 4,4′-Difluorbenzophenon |
| 4,4′-Dihydroxydiphenylsulfon | 4,4′-Dipyridin | 4,4′-Isobutylethylidendiphenol |
| 4,4′-Isopropylidendiphenol | 4,4′-Methylenbis(2-chloranilin) | 4,4′-Methylenbis(2-methylanilin) |
| 4,4′-Methylenbis(cyclohexylamin) | 4,4′-Methylendi-o-toluidin | 4,4′-Methylendianilin |
| 4,4′-Methylendianilindihydrochlorid | 4,4′-Methylendiphenyldiisocyanat | 4,4′-Oxybis(benzolsulfonhydrazid) |
| 4,4′-Oxydianilin | 4,4′-Sulfonyldibenzoesäure | 4,4′-Sulfonyldiphenol |
| 4,4′-Thiodianilin | 4,5 × 6 | 4,5 x 6 |
| 4,5-cm-Granatwerfer 176 (i) | 4,5-cm-KwK 184/2 (r) | 4,5-cm-KwK 184/3 (r) |
| 4,5-cm-KwK 184/4 (r) | 4,5-cm-KwK 184/5 (r) | 4,5-cm-Pak 184 (r) |
| 4,5-cm-Pak 184/1 (r) | 4,5-cm-Pak 184/6 (r) | 4,5-Dibrombrenzcatechin |
| 4,5-Dichlor-1,2,3-dithiazoliumchlorid | 4,5-Dichlor-2-octyl-2H-isothiazol-3-on | 4,5-Dichlor-2-octyl-3(2H)-isothiazolinon |
| 4,5-Dihydroimidazol-2-thion | 4,5-Dihydroxy-2-nitrobenzaldehyd | 4,5-Dihydroxynaphthalin-2,7-disulfonsäure |
| 4,5-Dinitrobrenzcatechin | 4,5-Dinitroveratrol | 4,5-Dithia-1,7-octadien |
| 4,5-inch-Mark-8-Schiffsgeschütz | 4,5mm | 4,5x6 cm |
| 4,6 × 30 mm | 4,6 × 36 mm CETME | 4,6 x 30 mm |
| 4,6 x 36 mm CETME | 4,6-Diaminoresorcin-dihydrochlorid | 4,6-Dinitro-1,3-benzendiol |
| 4,6-Dinitro-1,3-dihydroxybenzol | 4,6-Dinitro-o-kresol | 4,6-Dinitroresorcin |
| 4,7-cm-Festungs-PaK (t) | 4,7-cm-Pak (t) auf Pz.Kpfw. 35 R (f) | 4,7-cm-Pak 177 (i) |
| 4,7-cm-Pak 179 (j) | 4,7-cm-Pak 181 (f) | 4,7-cm-PaK 181(f) |
| 4,7-cm-PaK 185 (b) | 4,7-cm-Pak 187 (h) | 4,7-cm-Pak 196 (r) |
| 4,7-cm-Pak 36 (t) | 4,7-cm-PaK 36(t) | 4,7-cm-PaK Böhler |
| 4,7-cm-Tunul Antitanc Mod. 1935 | 4,7-cm-Tunul Antitanc Mod. 1939 | 4,7-Dichlorchinolin |
| 4,73 × 33 mm | 4,73 x 33 mm | 4- |
| 4-%-Hürde | 4-(1,1,3,3-Tetramethylbutyl)phenol | 4-(1,1-Dimethylethyl)phenol |
| 4-(1,1-Dimethylpropyl)phenol | 4-(1-Pyrrolidinyl)pyridin | 4-(2,4-Dichlor)phenoxybutansäure |
| 4-(2,4-Dichlorphenoxy)buttersäure | 4-(2-Aminoethyl)benzolsulfonylfluorid | 4-(2-Pyridylazo)resorcin |
| 4-(4-Acetoxyphenyl)butan-2-on | 4-(4-Hydroxy-4-methylpentyl)cyclohex-3-en-1-carbaldehyd | 4-(4-Hydroxyphenyl)butan-2-on |
| 4-(4-Isopropoxyphenylsulfonyl)phenol | 4-(4-Isopropyloxyphenylsulfonyl)phenol | 4-(4-Isothiocyanatophenylazo)-N,N-dimethylanilin |
| 4-(4-Methoxyphenyl)-2-butanon | 4-(4-Methoxyphenyl)butan-2-on | 4-(Aminomethyl)benzoesäure |
| 4-(Dimethylamino)azobenzol-4′-isothiocyanat | 4-(Dimethylamino)pyridin | 4-(Indol-3-yl)buttersäure |
| 4-(Methylamino)phenolsulfat | 4-(p-Hydroxyphenyl)butan-2-on | 4-0-2 System |
| 4-0-2-System | 4-0-4 | 4-0-System |
| 4-2-1-Konzept | 4-2-1-Strategie | 4-2-2 |
| 4-2-4 | 4-2-System | 4-20 mA |
| 4-3 Defense | 4-3-2-1 Hot & Sweet | 4-4-0 |
| 4-4-0T | 4-4-2 | 4-4-2 (Lokomotive) |
| 4-5-6 | 4-6 The Gyles | 4-6-0 |
| 4-6-2 | 4-6-4 | 4-6-6-4 |
| 4-72-Colombia | 4-8-0 | 4-8-2 |
| 4-8-4 | 4-Acetoxy-2-azetidinon | 4-Acetoxy-DMT |
| 4-AcO-DMT | 4-Allyl-2-methoxy-phenol | 4-Allylanisol |
| 4-Allylbrenzcatechin-2-methylether | 4-Allyloxy-3,5-dimethoxy-1-ethylamin | 4-Allyloxy-3,5-dimethoxy-phenethylazan |