alder vs alder

alder and alder both are nouns.

Word	Noun	Adjective	Verb	Adverb
alder	Yes	No	No	No
alder	Yes	No	No	No

alder (noun)	alder (noun)
north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant	north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant
wood of any of various alder trees; resistant to underwater rot; used for bridges etc	wood of any of various alder trees; resistant to underwater rot; used for bridges etc