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
claim (call)
clamor — loud, insistent noise or demands
clam (cry out) + -or (action or result)
acclaim — praise enthusiastically
ac- (toward; form of ad-) + claim (cry out)
declaim — speak or recite in a dramatic, forceful manner
de- (intensively) + claim (cry out)
exclaim — say something suddenly and with strong feeling
ex- (out) + claim (cry out)
proclaim — announce publicly or officially
pro- (forth) + claim (cry out)
reclaim — take back or restore to useful condition
re- (back) + claim (call)

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.