(lexicography) function word, grammatical word

magic word / the use of "please" (s'il vous plaît / s'il te plaît) with a request

(military) countersign

last word (the final statement uttered by a person before death) / last word (concluding remark; final advice, instructions, or observation) / last word (a final decision or remark, or the right to make one)

strong word, strong term

keyword

password

(linguistics) nonce word

half-spoken, in a way that is hinted at

Euphemistic form of merde: poop, shite etc.