yen vs pine

yen and pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
yen	Yes	No	Yes	No
pine	Yes	No	Yes	No

As verbs, yen and pine are synonyms defined as:

Other synonyms of yen include ache, languish, yearn.

yen (noun)	pine (noun)
a yearning for something or to do something	a coniferous tree
the basic unit of money in Japan; equal to 100 sen	straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

yen (verb)	pine (verb)
have a desire for something or someone who is not present	have a desire for something or someone who is not present