Declerque's rhymes with:
declerck's, declercq's, declerk's, deklerk's, declerck's, declercq's, declerk's, deklerk's, clerk's, clerks, clerks', declerck's, declercq's, declerk's, deklerk's, klerk's
Declerque's sounds like:
declares, declerck, declerck's, declercq, declercq's, declerk, declerk's, declerque, deklerk, deklerk's, desillers, deslauriers, discolors