-oto (fem.).

passa, _to pass_.
passaroto, _passing to and fro_.


-ou (masc.).

This is a noun-suffix of very frequent use. It seems to be for Latin -or
and -orium.

jouga, _to play_.
jougadou, _player_.
abla, _to brag_ (cf. Fr. _hâbler_).
abladou, _braggart_.
abausi, _to abuse, to exaggerate_.
abausidou, _braggart_.
courre, _to run_.
courredou, _corridor_.
lava, _to wash_.
lavadou, _lavatory_.
espande, _to expand_.
espandidou, _expanse, panorama_.
escourre, _to flow out_.
escourredou, _passage_, _hollow_.
toumba, _to fall_.
toumbadou, _water-fall_.
abeura, _to water_.
abeuradou, _drinking-trough_.