up — to, toward, or in a more elevated position: to climb up to the top of a ladder.
back — If you move back, you move in the opposite direction to the one in which you are facing or in which you were moving before.
cup — A cup is a small round container that you drink from. Cups usually have handles and are made from china or plastic.
Two-syllable rhymes
actor — An actor is someone whose job is acting in plays or films. 'Actor' in the singular usually refers to a man, but some women who act prefer to be called 'actors' rather than 'actresses'.
ketchup — a condiment consisting of puréed tomatoes, onions, vinegar, sugar, spices, etc.