14-Letter Words Containing OF

There are 30 14-letter words that contain OF. 12 are common words, such as BULLETPROOFING and BURGLARPROOFED. A rarer one is WATERPROOFNESS. In this set, E is the most frequent open letter (27 words). 20 words contain a doubled letter.

Full list 30

Common words

bulletproofingburglarproofedcounterofferedphotofinishingprofessionallyprofessoriallyprofessorshipsprofoundnessessoundproofingsunprofessionalwaterproofingsweatherproofed
bulletproofingburglarproofedcounterofferedphotofinishingprofessionallyprofessoriallyprofessorshipsprofoundnessessoundproofingsunprofessionalwaterproofingsweatherproofeddinoflagellatesynchroflashesagroforestrieselectrofishingelectroforminghemoflagellatemicrofibrillarmicrofilamentsneurofibromataphotofinishersprofessoriatesprofitablenessretroflectionssemiofficiallysoftheadednessthermoformabletoploftinesseswaterproofness

About this list

Words
30 (12 common words)
Common example
bulletproofing
Rare example
waterproofness
Doubled letters
20
Ending in S
14
Most frequent letter
E (27)

Questions

How many 14-letter words containing of are there?

30. 12 of them are common words.

What is a common example?

BULLETPROOFING is among the common words in this set.