say it: AF-iks
affix is a verb and noun meaning "attach to". It carries 4 recorded senses.
add to the very end
“He appended a glossary to his novel where he used an invented language”
a linguistic element added to a word to produce an inflected or derived form
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for affix come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.