In rare|lang=en terms the difference between alderwoman and aldermaness
is that alderwoman is (rare) feminine form of alderman while aldermaness is (rare) a female alderman; an alderwoman.
As nouns the difference between alderwoman and aldermaness
is that alderwoman is (rare) feminine form of alderman while aldermaness is (rare) a female alderman; an alderwoman.
alderwoman
English
Noun
(alderwomen)
(rare) Feminine form of alderman.
aldermaness
English
Noun
(es)
(rare) A female alderman; an alderwoman.