Ca ca
Stool, defecate, shit, take a shit, take a crap, crap, make, excrete generic term, egest generic term, eliminate generic term, pass generic term
Vogais: aa
Consoantes: cc
cha-cha, cacao, caeca, -cae, caas, cacajao, cack, caecias, chachka, cha-cha-cha.