Perhaps you should try some spelling variations:
verbo » verso, varbo, vebbo, vembo
varbos » varios, verbos
vers » verso, verse, ver
versa » versoa, versea, vera, versao, verso, verse
verseo » versoeo, verseeo, vereo, verso, verse, versao
veron » peron
vera » era, vega, ver
erbo » arbo, ebbo, embo

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "Russian ((verbo OR ((varbos OR (vers OR versa)) OR veron)) OR ((erb OR vera) OR (erbo OR verseo)))~".
• Adding a wildcard symbol may retrieve word variants: Russian ((verbo OR ((varbos OR (vers OR versa)) OR veron)) OR ((erb OR vera) OR (erbo OR verseo)))*.