13 entries under simultaneity topic. ×

10
accompanying(adjective, medicine, existing)
10
existing simultaneously(expression, medicine, existing)
9
comorbid(adjective, medicine, presence)
9
concomitant(adjective, medicine, existing)
8
attendant(adjective, medicine, existing)
8
coexistent(adjective, existing, coexistence)
8
coexisting(adjective, existing, coexistence)
7
collateral(adjective, existing, coexistence)
7
concurrent(adjective, existing, coexistence)
7
synchronic(adjective, existing, coexistence)
7
synchronous(adjective, existing, coexistence)
3
parallel(adjective, characteristic, existing)
3
simultaneous(adjective, characteristic, existing)
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APASmart Define. (1970). co-morbid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/co-morbid/thesaurus/synonyms
ChicagoSmart Define. 1970. "co-morbid thesaurus" https://smartdefine.org/co-morbid/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 1970, co-morbid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/co-morbid/thesaurus/synonyms>.
MLASmart Define. "co-morbid thesaurus" 1 January 1970. Web. 23 September 2026. <https://smartdefine.org/co-morbid/thesaurus/synonyms>