sf (sucro+ase) O mesmo que súcrase.
Vogais: uae
Consoantes: scrs
sacarase, sucrases, sciras, sacarases, sacaras, sarasse, saurúreas, saíras, secaras, socaras.
primaverase, epimérase, transferase, transporase, tropanolesterase, paráfrase, dextrase, desidrase, prase, esterase, úrase, carbo-hidrase, colinesterase, polimerase, epícrase.