the "osa" token completing the surname "Espinosa" (strongest on "osa" after "Esp" + "in"), with weaker activation on the "ino"/"in" pieces of related name fragments.
The final subword token "osa" completing the surname "Espinosa" (after the "Espin" fragment), across many different people and contexts. It also fires, more weakly, on a similar name-final "a" in "Robirosa".