Adoptee rhymes with:
abductee, absentee, amputee, appointee, bt, cartee, cottee, coutee, ddt, deportee, devotee, draftee, enlistee, goatee, guarantee, guaranty, inductee, invitee, lunati, mit, njt, partee, pattee, pettee, portee, repartee, rrrot, t, t., te, tea, tee, ti, trustee
Adoptee sounds like:
adapt, adapted, adept, adopt, adopted, at-bat