marlinspike vs marlinespike

marlinspike and marlinespike both are nouns.

Word	Noun	Adjective	Verb	Adverb
marlinspike	Yes	No	No	No
marlinespike	Yes	No	No	No

As nouns, marlinspike and marlinespike are synonyms defined as:

marlinspike and marlinespike: a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)

Other synonyms of marlinspike include marlingspike.

marlinspike (noun)	marlinespike (noun)
a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)	a pointed iron hand tool that is used to separate strands of a rope or cable (as in splicing)