(bound form) base; foundation; (bound form) radical (chemistry); (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)

basic; fundamental; main; elementary

base; foundation; basis; basic; fundamental

fund

base (of operations, industrial, military, research etc.)

gene (loanword)

Christ (abbr. for 基利斯督 or 基利士督)

because of; on the basis of; in view of; on account of