implantation vs emplacement

implantation and emplacement both are nouns.

Word	Noun	Adjective	Verb	Adverb
implantation	Yes	No	No	No
emplacement	Yes	No	No	No

As nouns, emplacement is a hypernym of implantation; that is, emplacement is a word with a broader meaning than implantation:

Other hypernyms of implantation include locating, location, placement, position, positioning.

implantation (noun)	emplacement (noun)
the act of planting or setting in the ground	the act of putting something in a certain place
a surgical procedure that places something in the human body	military installation consisting of a prepared position for siting a weapon
(embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals