summer haw vs Crataegus aestivalis

summer haw and Crataegus aestivalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
summer haw	Yes	No	No	No
Crataegus aestivalis	Yes	No	No	No

As nouns, summer haw and Crataegus aestivalis are synonyms defined as:

summer haw and Crataegus aestivalis: hawthorn of southern United States bearing a juicy, acidic, scarlet fruit that is often used in jellies or preserves

Other synonyms of summer haw include mayhaw.

summer haw (noun)	Crataegus aestivalis (noun)
hawthorn of southern United States bearing a juicy, acidic, scarlet fruit that is often used in jellies or preserves	hawthorn of southern United States bearing a juicy, acidic, scarlet fruit that is often used in jellies or preserves