Osann, untrue, false.

Osanning, untruth, falsehood.

Osannolik, improbable.

Osedlig, immoral.

Osedvanlig, uncustomary.

Oskadad, unhurt, unharmed, sound, safe.

Oskaplig, deformed.

Oskattbar, inestimable.

Oskick, bad custom, vice, nuisance.

Oskicklig, unfit, unable, incapable, improper; unseemly.