He was sure his girlfriend would stay the distance with her addiction treatment.
She finally came to terms with her addictions at her third rehab clinic and rarely drank again.
Used in the Ending of Sentence
Consequently, pharmacological compounds in cordyceps may be associated with neurotrophic effects, which regulate behavioral sensitization and reward circuits of drug addiction.
Meaning of addiction for the defined word.
Grammatically, this word "addiction" is a morpheme, more specifically, a suffixe. It's also a noun, more specifically, a countable noun.