flexitarianism vs semi-vegetarianism

flexitarianism and semi-vegetarianism both are nouns.

Word	Noun	Adjective	Verb	Adverb
flexitarianism	Yes	No	No	No
semi-vegetarianism	Yes	No	No	No

As nouns, flexitarianism and semi-vegetarianism are synonyms defined as:

flexitarianism and semi-vegetarianism: The practice of eating mainly vegetarian food, but making occasional exceptions for social, pragmatic, cultural, or nutritional reasons.

flexitarianism (noun)	semi-vegetarianism (noun)
The practice of eating mainly vegetarian food, but making occasional exceptions for social, pragmatic, cultural, or nutritional reasons.	The practice of eating mainly vegetarian food, but making occasional exceptions for social, pragmatic, cultural, or nutritional reasons.