Right now, I can't think of any other word that has the -ear of nuclear.
Quite a few. the SOED CD ROM includes, in the phonetic search, "ere", and "ia". But if "clear" was the arbiter then only "clear" & expansions of "nuclear"

fan bloody tastic
is that anyones' pet peeve? - an example of tmesis I just found out.

Dare we mention Gazpacho police? MTJ's delightful malapropism.