"practises" in the verb sense
1. rehearse, practise, practice
engage in a rehearsal (of)
2. practice, practise, exercise, do
carry out or practice as of jobs and professions
3. drill, exercise, practice, practise
learn by repetition
"We drilled French verbs every day"
"Pianists practice scales"
Source: WordNet® (An amazing lexical database of English)
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