Noun
formation of a word by means of a suffix
Source: WordNet5 The /y/- of /ytʃ/ "3" "may also reflect the same root, although the suffixation is not clear." Source: Internet
Affixations, the linguistic process speakers use form different words by adding morphemes (affixes) at the beginning (prefixation), the middle (infixation) or the end (suffixation) of words. Source: Internet
The root word often undergoes umlaut and suffixation as well as receiving the ge- prefix. Source: Internet
Perfective verbs can be usually formed from imperfective ones by suffixation or prefixation, but the resultant verb often deviates in meaning from the original. Source: Internet