Infantry
Infantry noun - An army unit consisting of soldiers who fight on foot.
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Synonyms for Infantry
Marines and infantry are semantically related In some cases you can replace term "Marines" with "Infantry", this nouns are similar.
Nearby Word: infant
Marines
Marines noun - Members of a body of troops trained to serve on land or at sea.
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Synonyms for Marines
Mutual synonyms
Both words in one sentence
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John Ringo is in love with this trope, with nearly every story of his involving infantry/marines.
Source: BFG - Space Is an Ocean: Played much like Star Trek Space Marine: Two flavors; the literal space marines being infantry troops assigned to military starships as boarding/repelling troops, and the nickname for any infantry soldiers fighting on a world other than Earth.
Source: Roleplay / Mythril Aces -
This also makes a lot more sense when you realize that performing the equivalent of EVA work is literally the task that makes marines "marines" instead of sailors or infantry.
Source: Space Marine
Cite this Source
Marines and Infantry. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/infantry/marines
Infantry & Marines. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/infantry/marines>.
Marines or Infantry. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/infantry/marines.
Google Ngram Viewer shows how "infantry" and "marines" have occurred on timeline