Table 1 Number of words with [i] and [ɑ] stem vowels, broken down by morphological condition

From: Paradigmatic enhancement of stem vowels in regular English inflected verb forms

  stem stem+d stem+s stem+ing total examples
[ɑ] 20 15 20 20 75 arm, armed, arms, arming
  37 29 32 35 133 peel, peeled, peels, peeling