13-Letter Words Matching O____A_______

There are 19 13-letter words that match O____A_______. 7 are common words, such as OLEOMARGARINE and OLEOMARGARINS. A rarer one is OXALOACETATES. In this set, E is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 19

oleomargarineoleomargarinsophthalmologyoutplacementsoutstandinglyoverbalancingovermasteringoverhastinessovervaluationoropharyngealovercautionedovereagernessoverharvestedoverpackagingoversaturatedoversaturatesovertalkativeovertaxationsoxaloacetates

About this list

Words
19 (7 common words)
Common example
oleomargarine
Rare example
oxaloacetates
Doubled letters
2
Ending in S
7
Most frequent letter
E (17)

Questions

How many 13-letter words matching o____a_______ are there?

19. 7 of them are common words.

What is a common example?

OLEOMARGARINE is among the common words in this set.