Have a crush on is a phrase used to describe having strong feelings of admiration and affection for someone. ADORE, with five letters, is a verb meaning to love deeply and feel great admiration for someone or something. DOTE, with four letters, is a verb meaning to show excessive fondness or love for someone. Gofor, with five letters, is a verb meaning to have a strong desire for someone or something. All three words can be used to describe having a crush on someone.