stretch out vs crane

stretch out is not a noun while crane is a noun.

Word	Noun	Adjective	Verb	Adverb
stretch out	No	No	Yes	No
crane	Yes	No	Yes	No

As verbs, stretch out and crane are synonyms defined as:

stretch out (noun)	crane (noun)
	large long-necked wading bird of marshes and plains in many parts of the world
	lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis

stretch out (verb)	crane (verb)
stretch (the neck) so as to see better	stretch (the neck) so as to see better
thrust or extend out
extend one's body or limbs
extend or stretch out to a greater or the full length
lie down comfortably