specter vs spectre

specter and spectre both are nouns.

Word	Noun	Adjective	Verb	Adverb
specter	Yes	No	No	No
spectre	Yes	No	No	No

As nouns, specter and spectre are synonyms defined as:

specter and spectre: a mental representation of some haunting experience

Other synonyms of specter include ghost, shade, spook, wraith.

As nouns, specter and spectre are synonyms defined as:

Other synonyms of specter include apparition, fantasm, phantasm, phantasma, phantom.

specter (noun)	spectre (noun)
a mental representation of some haunting experience	a mental representation of some haunting experience
a ghostly appearing figure	a ghostly appearing figure