Tsismis
ɡɐsip ɡasɪp ɡɒsɪp ləʊnwɜːd bʌt nɒt az diːpli ɪŋɡɹeɪnd ɪn kɔɹiːən kʌltʃə somun sɒmʌn ɹuːmə
In Korean 가십 (gasip) - gossip (loanword, but not as deeply ingrained in Korean culture); 소문 (somun) - rumor
Gossip or rumors, often spread casually, but can be malicious or harmless.
Example
"Huwag kang maniwala sa tsismis."