shingle oak vs oak

shingle oak and oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
shingle oak	Yes	No	No	No
oak	Yes	No	No	No

As nouns, oak is a hypernym of shingle oak; that is, oak is a word with a broader meaning than shingle oak:

shingle oak: small deciduous tree of eastern and central United States having leaves that shine like laurel; wood is used in western states for shingles
oak: a deciduous tree of the genus Quercus; has acorns and lobed leaves

Other hypernyms of shingle oak include oak tree.

shingle oak (noun)	oak (noun)
small deciduous tree of eastern and central United States having leaves that shine like laurel; wood is used in western states for shingles	a deciduous tree of the genus Quercus; has acorns and lobed leaves
	the hard durable wood of any oak; used especially for furniture and flooring