12-Letter Words Matching ____H____O__

There are 28 12-letter words that match ____H____O__. 7 are common words, such as ANNIHILATORS and BROTHERHOODS. A rarer one is TRICHOTOMOUS. In this set, R is the most frequent open letter (26 words). 10 words contain a doubled letter.

Full list 28

Common words

annihilatorsbrotherhoodsmarshmallowsneighborhoodnorthernmostsouthernmostweatherproofbrachiationsconchiferousleatherwoodssubthresholdsynchroscope
annihilatorsbrotherhoodsmarshmallowsneighborhoodnorthernmostsouthernmostweatherproofbrachiationsconchiferousleatherwoodssubthresholdsynchroscopesynchrotronstracheostomyurethrectomyurethroscopewitchdoctorsxanthochroidannihilatoryepiphytologyerythematouskwashiorkorslymphomatousmarshmallowyprophethoodssouthernwoodtrichlorfonstrichotomous

About this list

Words
28 (7 common words)
Common example
annihilators
Rare example
trichotomous
Doubled letters
10
Ending in S
14
Most frequent letter
R (26)

Questions

How many 12-letter words matching ____h____o__ are there?

28. 7 of them are common words.

What is a common example?

ANNIHILATORS is among the common words in this set.