REGULABLE
\ɹˈɛɡjuːləbə͡l], \ɹˈɛɡjuːləbəl], \ɹ_ˈɛ_ɡ_j_uː_l_ə_b_əl]\
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2010
- New Age Dictionary Database
By Oddity Software
1913
- Webster's Revised Unabridged Dictionary
By Noah Webster.
1919
- The concise Oxford dictionary of current English
By Sir Augustus Henry