succor, n. [assistance], [help], [relief].
suck, v. imbibe, [absorb]; engulf.
sucker, n. [shoot], tiller, [scion], [sprout]; embolus, piston, valve.
sucker, n. (Slang) [dupe], [gull], cully, [greenhorn]; [parasite], [sponger], [toady].
suckling, n. lactation.--a. unweaned.
sudden, a. [unexpected], [abrupt], unlocked for.
sue, v. prosecute.
suffering, n. [distress], agony, misery, [pain], discomfort, torture, sufferance.
sufficiency, n. [enough], [adequacy], competence. Antonyms: [insufficiency], inadequacy.
sufficient, a. [adequate]. Antonyms: [insufficient], [inadequate].