Often

[aw-fuh n, of-uh n; awf-tuh n, of-] /ˈɔ fən, ˈɒf ən; ˈɔf tən, ˈɒf-/

adverb
1.
many times; frequently:
He visits his parents as often as he can.
2.
in many cases.
adjective
3.
Archaic. .
/ˈɒfən; ˈɒftən/
adverb
1.
frequently or repeatedly; much of the time Archaic equivalents oftentimes, ofttimes
2.
as often as not, quite frequently
3.
every so often, at intervals
4.
more often than not, in more than half the instances
adjective
5.
(archaic) repeated; frequent
adv.

c.1300, extended form of oft, originally before vowels and h-, probably by influence of Middle English selden “seldom.” In common use from 16c., replacing oft.
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