untimeliness vs inconvenience

untimeliness and inconvenience both are nouns.

Word	Noun	Adjective	Verb	Adverb
untimeliness	Yes	No	No	No
inconvenience	Yes	No	Yes	No

As nouns, inconvenience is a hypernym of untimeliness; that is, inconvenience is a word with a broader meaning than untimeliness:

untimeliness (noun)	inconvenience (noun)
the quality of occurring at an inconvenient time	the quality of not being useful or convenient
being at an inappropriate time	a difficulty that causes anxiety
	an inconvenient discomfort

untimeliness (verb)	inconvenience (verb)
	to cause inconvenience or discomfort to