friar's lantern vs jack-o'-lantern

friar's lantern and jack-o'-lantern both are nouns.

Word	Noun	Adjective	Verb	Adverb
friar's lantern	Yes	No	No	No
jack-o'-lantern	Yes	No	No	No

As nouns, friar's lantern and jack-o'-lantern are synonyms defined as:

friar's lantern and jack-o'-lantern: a pale light sometimes seen at night over marshy ground

Other synonyms of friar's lantern include ignis fatuus, will-o'-the-wisp.

friar's lantern (noun)	jack-o'-lantern (noun)
a pale light sometimes seen at night over marshy ground	lantern carved from a pumpkin
	a pale light sometimes seen at night over marshy ground