infliction vs thorn

infliction and thorn both are nouns.

Word	Noun	Adjective	Verb	Adverb
infliction	Yes	No	No	No
thorn	Yes	No	No	No

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

infliction: something or someone that causes trouble; a source of unhappiness
thorn: something that causes irritation and annoyance

Other hyponyms of infliction include nuisance, irritant, plague.

infliction (noun)	thorn (noun)
the act of imposing something (as a tax or an embargo)	something that causes irritation and annoyance
an act causing pain or damage	a Germanic character of runic origin
something or someone that causes trouble; a source of unhappiness	a small sharp-pointed tip resembling a spike on a stem or leaf