dome vs bonce

dome and bonce both are nouns.

Word	Noun	Adjective	Verb	Adverb
dome	Yes	No	No	No
bonce	Yes	No	No	No

As nouns, dome and bonce are synonyms defined as:

Other synonyms of dome include attic, bean, noggin, noodle.

dome (noun)	bonce (noun)
a hemispherical roof	informal terms for a human head
a stadium that has a roof
informal terms for a human head
a concave shape whose distinguishing characteristic is that the concavity faces downward