9-Letter Words Matching ______OO_

There are 161 9-letter words that match ______OO_. 62 are common words, such as ADULTHOOD and AFTERNOON. A rarer one is WATERZOOI. In this set, R is the most frequent open letter (99 words). 161 words contain a doubled letter.

Full list 161

Common words

adulthoodafternoonarrowrootaudiobookballyhoosboardroombombproofbroadloombrushwoodbuckarooscheckbookcheckroom
adulthoodafternoonarrowrootaudiobookballyhoosboardroombombproofbroadloombrushwoodbuckarooscheckbookcheckroomchildhoodclassroomcloakroomcockatooscourtroomdriftwoodelbowroomfalsehoodfireprooffoolprooffootstoolgreenroomgreenwoodguardroomguidebookhardihoodheartwoodheatproofhoneymooninglenookkangarooslifebloodlunchroommatchbookmatchwoodmonkshoodovershootpeekaboospreschoolprotozoonpussyfootrainproofrustproofsainthoodsatinwoodscrapbooksplayfootstatehoodstateroomstockroomstoreroomstorybooktoadstoolunderfootundertookwhirlpoolwidowhoodwindproofwithstoodwomanhoodaloeswoodarrowwoodbandicootbarracoonbeechwoodbirthrootblankbookbloodrootbreadrootbriarrootbriarwoodbrierrootbrierwoodcampstoolcanoewoodcolicrootcoltsfootcrapshootdampproofdustproofeaglewoodfaldstoolfeverrootgoosefootgrillroomguestbookguestroomholeproofhouseroomhumanhoodlambswoollancewoodlustihoodmothproofovenproofpantaloonparatrooppressroompsalmbookputtyrootqueenhoodsalesroomsapanwoodsaskatoonskidproofsnakerootsoupspoonstaffroomstinkwoodsupercooltorchwoodtouchwoodtulipwoodundercoolunderwoodvindalooswaterlooswearproofwhitewoodwholefoodzebrawoodblackwoodbuckerooscallalooscedarwoodcockapooscocksfootcoldblooddevilwoodearlywoodfoulbroodfruitwoodgermproofgrassrootjackaroosjackeroosleakprooflightwoodmultiroomnonschoolorrisrootoverproofpickaroonpickproofproofroompuppyhoodpurebloodroundwoodrubbaboossporozoonsquawrootstillroomstylebooksupergoodultracoolunderwoolwallarooswanderooswaterzooi

About this list

Words
161 (62 common words)
Common example
adulthood
Rare example
waterzooi
Doubled letters
161
Ending in S
15
Most frequent letter
R (99)

Questions

How many 9-letter words matching ______oo_ are there?

161. 62 of them are common words.

What is a common example?

ADULTHOOD is among the common words in this set.