acer crossword clue

 There are two possible crossword clues for the word "acer":

4 letters: ONER

5 letters: MAPLE

The word "acer" can refer to a type of tree, which is also known as a maple tree. The 4-letter clue "ONER" is a homophone of "oner", which is a slang term for a maple tree. The 5-letter clue "MAPLE" is a direct synonym of "acer".

Which clue is used in a particular crossword puzzle will depend on the specific puzzle and the author's preferences.