chinquapin oak vs chinkapin oak

chinquapin oak and chinkapin oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
chinquapin oak	Yes	No	No	No
chinkapin oak	Yes	No	No	No

As nouns, chinquapin oak and chinkapin oak are synonyms defined as:

chinquapin oak and chinkapin oak: medium-sized deciduous tree of the eastern United States that yields a strong durable wood

Other synonyms of chinquapin oak include Quercus muehlenbergii, yellow chestnut oak.

chinquapin oak (noun)	chinkapin oak (noun)
medium-sized deciduous tree of the eastern United States that yields a strong durable wood	medium-sized deciduous tree of the eastern United States that yields a strong durable wood