onttous

== Finnish == === Etymology === ontto +‎ -uus === Pronunciation === IPA(key): /ˈontːous/, [ˈo̞n̪t̪ːo̞us̠] Rhymes: -ontːous Syllabification(key): ont‧to‧us Hyphenation(key): ont‧to‧us === Noun === onttous hollowness ==== Declension ==== === Further reading === “onttous”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 3 July 2023