18d: need to introduce some crossword terminology. 18 is an anagram (indicated by "bananas") of "lauding". In crossword speak, "bananas" is the anagrind and "lauding" the anagrist. See references above.
6a: what speech condition would cause the 2 key words to be pronounced alike? Cryptic definition.
10a: This one took me a while. A word which can mean "fell" (noun in UK English) or "dock" (verb in a nautical sense). Think Othello. 🤣 Double definition.