English (GB)

fir-scented

first-aid

first-aider

first-begot

first-begotten

firstborn

first-born

first-bred

first-built

first-chop

first-class

firstcomer

first-conceived

first-created

first-day

first-done

first-endeavoring

firster

first-expressed

first-famed

first-floor

first-foot

first-footer

first-formed

first-found

first-framed

first-fruit

firstfruits

first-gendered

first-generation

first-gotten

first-grown

firsthand

first-hand

first-in

first-invented

first-known

firstly

first-line

firstling

firstlings

first-loved

first-made

first-mentioned

first-mining

first-mortgage

first-name

first-named

firstness

first-night

first-nighter

first-out

first-page

first-past-the-post

first-preferred

first-rate

first-rately

first-rateness

first-rater

first-ripe