clam/claim

cry out; call

Spelled clam, claim · clamare 'cry out, shout, call'

Latin clamare meant to shout: proclaim meant crying out publicly, acclaim voiced approval, and reclaim developed from calling back.

Words built from it

claim — state that something is true or belongs to you
Latin clamare (call out) → Old French clamer (call, claim) → claim
clamor — loud, insistent noise or demands
Latin clamare (cry out) → clamor (shouting) → clamor
acclaim — praise enthusiastically
Latin ad- (toward), assimilated to ac- + clamare (shout) → acclamare → acclaim
declaim — speak or recite in a dramatic, forceful manner
Latin de- (intensively) + clamare (shout) → declamare (practice public speaking) → declaim
exclaim — say something suddenly and with strong feeling
Latin ex- (out) + clamare (cry) → exclamare → exclaim
proclaim — announce publicly or officially
Latin pro- (forth) + clamare (cry out) → proclamare → proclaim
reclaim — take back or restore to useful condition
Latin re- (back) + clamare (call) → reclamare → Old French reclamer (call back) → reclaim

clamber — Belongs to the Germanic family of climb, not Latin clamare 'cry out.'
clammy — Comes from clam meaning 'sticky or moist,' a Germanic word unrelated to Latin clamare.