pretension vs artificiality

pretension and artificiality both are nouns.

Word	Noun	Adjective	Verb	Adverb
pretension	Yes	No	No	No
artificiality	Yes	No	No	No

As nouns, artificiality is a hypernym of pretension; that is, artificiality is a word with a broader meaning than pretension:

pretension: a false or unsupportable quality
artificiality: the quality of being produced by people and not occurring naturally

pretension (noun)	artificiality (noun)
a false or unsupportable quality	the quality of being produced by people and not occurring naturally
the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)
the advancing of a claim