wave front vs wavefront

wave front and wavefront both are nouns.

Word	Noun	Adjective	Verb	Adverb
wave front	Yes	No	No	No
wavefront	Yes	No	No	No

As nouns, wave front and wavefront are synonyms defined as:

wave front and wavefront: (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium

wave front (noun)	wavefront (noun)
(physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium	(physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium
all the points just reached by a wave as it propagates