segmentation vs segment

segmentation and segment both are nouns.

Word	Noun	Adjective	Verb	Adverb
segmentation	Yes	No	No	No
segment	Yes	No	Yes	No

segmentation (noun)	segment (noun)
the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart	one of several parts or pieces that fit with others to constitute a whole object
(embryology) the repeated division of a fertilised ovum	one of the parts into which something naturally divides

segmentation (verb)	segment (verb)
	divide into segments
	divide or split up