a headset

sophistic logic; chop logic

returning blood spatter / splatter

header (upper portion of a page layout) / (networking) header (the first part of a packet or stream)

(idiomatic) it's no big deal, it's not the end of the world (if you do it)

helium, He

swaying from side to side

(Internet slang) to experience a mental health episode

(computing) help

Kherson (an oblast of Ukraine, Europe) / Kherson (a raion, a Kherson oblast Ukraine, Europe) / Kherson (a port city in Kherson Raion, Kherson Oblast, Ukraine, Europe)