Je was op zoek naar: uneven (Engels - Latijn)

uneven singing
cantus inaequalis

sentus, senta, sentum rough, rugged, uneven;
senta

aspretum, aspreti rough/broken/uneven ground;
aspreti

confractus, confracta, confractum broken; irregular; uneven;
confracta

the blood of the blood of the stock of finatum extremely uneven,
sanguinem disimilus sanguinem generis fiantus

confragus, confraga, confragum rough, uneven, broken; difficult, hard, difficult to accomplish;
confraga

confragosum, confragosi rough/uneven/broken ground; rough place; thicket; difficulty;
confragosi

asperum, asperi uneven/rough/harsh place/land; adversity, difficulties (esp. pl.);
asperi

inaequabilis, inaequabilis, inaequabile uneven/broken (ground); unequal/varying in amount/rate/etc;
inaequabile

asper, aspera -um, asperior -or -us, asperrimus -a -um rude/unrefined; cruel/violent/savage/raging/drastic; stern/severe/bitter; hard; rough/uneven/shaggy, coarse, harsh; embossed/encrusted; (mint condition coins); sharp/pointed, jagged/irregular, rugged/severe; sour, pungent, grating, keen; asper, aspra -um, asprior -or -us, - rough/uneven, coarse/harsh; sharp/pointed; rude; savage; pungent; keen; bitter;
asper