| first-aid instructions | Erste-Hilfe-Anweisungen |
| first-aid kit | Erste-Hilfe-Kasten |
| first-aid measure | Erste-Hilfe-Massnahme |
| first-aid measures | Erste-Hilfe-Massnahmen |
| first-aid post | Ambulanz |
| first-aid posts | Sanitätsstationen |
| first-aid room | Sanitätsraum |
| first-aid service | Sanitätsdienst |
| first-aid station | Sanitätswache |
| first-aid suggestions | Erste-Hilfe-Anleitung |
| first-aid tape | Erste-Hilfe-Verband |
| first-aid tent | Erste-Hilfe-Zelt |
| first-aid training , FAT | Erste-Hilfe-Training , EHT |
| First-aid worker | Helfer vor Ort |
| first-aider | Samariter |
| first-angle projection | europäische Projektion |
| first-born | erstgeboren |
| first-born daughter | Erstgeborene |
| first-born son | Erstgeborene |
| first-choice route | Erstweg |
| first-choice routes | Erstwege |
| first-chop | erstklassig |
| first-class | einmalig |
| first-class compartment | Erste-Klasse-Abteil |
| First-class cricket | First-Class Cricket |
| first-class mail | Briefpost |
| first-class medicine | Spitzenmedizin |
| first-class road | Hauptstraße |
| first-class university | Elite-Uni |
| first-class workmanship | erstklassige Verarbeitung |
| first-collision probability | Erststoßwahrscheinlichkeit |
| first-crush | vorbrechen |
| first-crushed | vorgebrochen |
| first-crushing | vorbrechend |
| first-day cover | Ersttagsbrief |
| first-degree | des ersten Grades |
| first-degree burn | Verbrennung ersten Grades |
| first-degree frostbite | Erfrierung ersten Grades |
| first-degree murder | vorsätzlicher Mord |
| first-ever | allererster |
| first-generation computer | Computer der ersten Generatio |
| first-generation image | Stammkopie |
| first-grade student | Erstklassler |
| first-grade students | Erstklassler |
| first-grader | Erstklassler |
| first-graders | Erstklassler |
| first-hand | am eigenen Körper |
| first-in-first-out mode | FIFO-Modus |
| first-in-first-out store | FIFO-Speicher |
