acknowledge → acre
acknowledge (accept, admit): I acknowledge that I caused this mess.
acquaint (make familiar or aware of): Travel acquaint you with new customs.
acquiesce (accept or agree to something, although you do not want to): I will never acquiesce in such an unsuitable marriage.
acquaintance (someone you know slightly): I saw an old acquaintance on the train.
acquaintance (knowledge or experience of): I have little acquaintance with the Russian language.
acquire (get, obtain): I have to acquire more firsthand information.
acquit (declare not guilty): The court in fact acquitted him of all the charges.
acre (a measure of land equal to 4,047 square meters): We also own two acres of land.