As nouns the difference between tomboy and tomboyishness
is that tomboy is a girl who behaves in a typically boyish manner while tomboyishness is the state or condition of being tomboyish.
tomboy
English
Noun
(
en noun)
A girl who behaves in a typically boyish manner.
Antonyms
* girly girl
Synonyms
* hoyden
* romp
* t-bird
tomboyishness
English
Noun
(-)
The state or condition of being tomboyish.
The behaviour of a tomboy.