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offence vs. defence

[uh-fens, aw-fens, of-ens] / əˈfɛns, ˈɔ fɛns, ˈɒf ɛns /

noun

British.
  1. variant of offense.

[dih-fens] / dɪˈfɛns /

noun

defenced, defencing
  1. British. variant of defense.