The term FRIEND'S WORD is composed of three words: THY, THEE, and THINE. THY is a possessive pronoun meaning 'belonging to YOU' and is spelled with three letters. THEE is a pronoun meaning 'YOU' and is spelled with four letters. THINE is a possessive pronoun meaning 'belonging to YOU' and is spelled with five letters. Together, these three words form the term FRIEND'S WORD, which is often used to refer to a friend's opinion or advice.