-tuksin

From the instructive forms of nouns ending in -us, the initial -t- perhaps by analogy with -ttain.

-tuksin (front vowel harmony variant -tyksin, linguistic notation -tUksin)

1. Forms oppositive adverbs.

All adverbs formed with this suffix also have an equivalent formed with the suffix -tusten, and the latter is usually more common.

• sinkut, tuskin