The Hetesflus language (hetesflus lingwa, [he˧˧tʰe˥˩ɬu˩˩lĩ˨˦kʷə]), or HF, is a constructed language invented by _ajthreac_ (who requests to surround her name with low line). Most of Hetesflus words are monosyllabic, and derived from Roman languages, while the spelling might be switched.