mayonnaise

a sandwich (snack consisting of two slices of bread)

needed, necessary

need, necessity

(chiefly women's speech) first person singular pronoun: I, me

club sandwich

Alternative spelling of 私達 (“we; us”)

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

personal, private / secret

(formal) first-person singular pronoun: I, me