to overcome, to surmount / to climb (over) / to surpass, to overtake

crisis, pinch

needed, necessary

need, necessity

economics; the study of economics / economy

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

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

a personal or private matter / (by extension) selfishness

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

personal, private / secret