virilisation vs virilization

virilisation and virilization both are nouns.

Word	Noun	Adjective	Verb	Adverb
virilisation	Yes	No	No	No
virilization	Yes	No	No	No

As nouns, virilisation and virilization are synonyms defined as:

virilisation and virilization: the abnormal development of male sexual characteristics in a female (usually as the result of hormone therapies or adrenal malfunction)

Other synonyms of virilisation include masculinisation, masculinization.

virilisation (noun)	virilization (noun)
the abnormal development of male sexual characteristics in a female (usually as the result of hormone therapies or adrenal malfunction)	the abnormal development of male sexual characteristics in a female (usually as the result of hormone therapies or adrenal malfunction)