reticule vs reticle

reticule and reticle both are nouns.

Word	Noun	Adjective	Verb	Adverb
reticule	Yes	No	No	No
reticle	Yes	No	No	No

As nouns, reticule and reticle are synonyms defined as:

reticule and reticle: a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument

Other synonyms of reticule include graticule.

reticule (noun)	reticle (noun)
a woman's drawstring handbag; usually made of net or beading or brocade; used in 18th and 19th centuries	a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument