My dad has aphasia (can’t say what he wants), para-aphasia (says a different word, perhaps similar), neo-logism (makes up words), and perservating (says the same word for lots of different things).

He said raccoon for:
beaver
acorn
rhinoceros

He said airplane for helicopter
moon for broom

Etc

It was not a pleasant experience to watch him mis-identify or be unable to identify so many things.

Coping technique that works: giving him the beginning of the word he is looking for. Of course, that assumes we know the word he is looking for.