masculinization vs masculinisation

masculinization and masculinisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
masculinization	Yes	No	No	No
masculinisation	Yes	No	No	No

As nouns, masculinization and masculinisation are synonyms defined as:

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

Other synonyms of masculinization include virilisation, virilization.

masculinization (noun)	masculinisation (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)