harm vs intravasation

harm and intravasation both are nouns.

Word	Noun	Adjective	Verb	Adverb
harm	Yes	No	Yes	No
intravasation	Yes	No	No	No

As nouns, intravasation is a hyponym of harm; that is, intravasation is a word with a more specific, narrower meaning than harm:

harm: any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury
intravasation: entry of foreign matter into a blood vessel

harm (noun)	intravasation (noun)
the act of damaging something or someone	entry of foreign matter into a blood vessel
the occurrence of a change for the worse
any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury

harm (verb)	intravasation (verb)
cause or do harm to