burdensomeness vs oppressiveness

burdensomeness and oppressiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
burdensomeness	Yes	No	No	No
oppressiveness	Yes	No	No	No

As nouns, burdensomeness and oppressiveness are synonyms defined as:

Other synonyms of burdensomeness include heaviness, onerousness.

burdensomeness (noun)	oppressiveness (noun)
unwelcome burdensome difficulty	unwelcome burdensome difficulty
	a feeling of being oppressed