crape myrtle vs crepe myrtle

crape myrtle and crepe myrtle both are nouns.

Word	Noun	Adjective	Verb	Adverb
crape myrtle	Yes	No	No	No
crepe myrtle	Yes	No	No	No

As nouns, crape myrtle and crepe myrtle are synonyms defined as:

crape myrtle and crepe myrtle: ornamental shrub from eastern India commonly planted in the southern United States

Other synonyms of crape myrtle include crepe flower, Lagerstroemia indica.

crape myrtle (noun)	crepe myrtle (noun)
ornamental shrub from eastern India commonly planted in the southern United States	ornamental shrub from eastern India commonly planted in the southern United States