shield vs cuticula

shield and cuticula both are nouns.

Word	Noun	Adjective	Verb	Adverb
shield	Yes	No	Yes	No
cuticula	Yes	No	No	No

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

shield: hard outer covering or case of certain organisms such as arthropods and turtles
cuticula: the outer body wall of an insect

shield (noun)	cuticula (noun)
hard outer covering or case of certain organisms such as arthropods and turtles	the outer body wall of an insect
armor carried on the arm to intercept blows
a protective covering or structure

shield (verb)	cuticula (verb)
protect, hide, or conceal from danger or harm
hold back a thought or feeling about