defect vs myelatelia

defect and myelatelia both are nouns.

Word	Noun	Adjective	Verb	Adverb
defect	Yes	No	Yes	No
myelatelia	Yes	No	No	No

As nouns, myelatelia is a hyponym of defect; that is, myelatelia is a word with a more specific, narrower meaning than defect:

defect (noun)	myelatelia (noun)
a mark or flaw that spoils the appearance of something (especially on a person's body)	any developmental defect of the spinal cord
a failing or deficiency
an imperfection in an object or machine
an imperfection in a bodily system

defect (verb)	myelatelia (verb)
desert (a cause, a country or an army), often in order to join the opposing cause, country, or army