avoid vs shun

avoid and shun both are verbs.

Word	Noun	Adjective	Verb	Adverb
avoid	No	No	Yes	No
shun	No	No	Yes	No

As verbs, shun is a hyponym of avoid; that is, shun is a word with a more specific, narrower meaning than avoid:

avoid: stay clear from; keep away from; keep out of the way of someone or something
shun: avoid and stay away from deliberately; stay clear of

avoid (verb)	shun (verb)
stay clear from; keep away from; keep out of the way of someone or something	avoid and stay away from deliberately; stay clear of
refrain from certain foods or beverages	expel from a community or group
declare invalid
prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off
refrain from doing something