Coexist

google

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mid 17th century: from late Latin coexistere, from co- ‘together’ + existere ‘exist’, from ex- ‘out’ + sister ‘take a stand’.

wiktionary

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co- +‎  exist

etymonline

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coexist (v.)

1670s, "exist at the same time as another," from co- + exist. Of political/economic systems, "to exist peaceably at the same time" (especially with reference to communism and the West) from 1931. Related: Coexisted; coexisting.