13-Letter Words Containing IOU
We found 110 13-letter words containing IOU. Common examples are CONSCIENTIOUS, CONSCIOUSNESS, SANCTIMONIOUS, SUPERSTITIOUS. Bold words are common everyday words; the number shows Scrabble points.
110words
EFFICACIOUSLYtop score (26 pts)
CONSCIENTIOUScommon word
13-letter words (110)
- conscientious17
- consciousness17
- sanctimonious17
- superstitious15
- unconsciously20
- acrimoniously20
- ambitiousness17
- antireligious14
- anxiousnesses20
- atrociousness15
- audaciousness16
- biliousnesses15
- bumptiousness19
- burglariously19
- capaciousness19
- ceremoniously20
- compendiously23
- contentiously18
- copiousnesses17
- curiousnesses15
- deleteriously17
- deliciousness16
- deliriousness14
- deviousnesses17
- disharmonious19
- dubiousnesses16
- efficaciously26
- egregiousness15
- enviousnesses16
- expeditiously26
- facetiousness18
- feloniousness16
- ferociousness18
- flirtatiously19
- fractiousness18
- hilariousness16
- hypercautious23
- ignominiously19
- illustriously16
- impecuniously22
- imperiousness17
- incuriousness15
- industriously17
- inefficacious23
- ingeniousness14
- injudiciously26
- injuriousness20
- insidiousness14
- invidiousness17
- irreligiously17
- judiciousness23
- laboriousness15
- litigiousness14
- luxuriousness20
- maliciousness17
- melodiousness16
- meritoriously18
- noncontagious16
- nongregarious15
- noninfectious18
- nonnutritious13
- noxiousnesses20
- obliviousness18
- obnoxiousness22
- obviousnesses18
- officiousness21
- opprobriously22
- overambitious20
- overconscious20
- overingenious17
- overseriously19
- penuriousness15
- perspicacious21
- prestigiously19
- pretentiously18
- punctiliously20
- rapaciousness17
- religiousness14
- repetitiously18
- rumbustiously20
- sagaciousness16
- salaciousness15
- scrumptiously22
- seditiousness14
- semiconscious19
- semireligious16
- sententiously16
- seriousnesses13
- subreptitious17
- supercautious17
- surreptitious15
- symphoniously26
- tediousnesses14
- temerariously18
- tenaciousness15
- tendentiously17
- ultracautious15
- unceremonious17
- unconsciouses17
- uncontentious15
- unmaliciously20
- unpretentious15
- unseriousness13
- variousnesses16
- veraciousness18
- vexatiousness23
- vicariousness18
- viciousnesses18
- vivaciousness21
- voraciousness18
Related word lists
Frequently asked questions
How many 13-letter words containing IOU are there?
There are 110 13-letter words containing IOU in our word list, for example CONSCIENTIOUS.
What is the highest scoring 13-letter word containing iou in Scrabble?
EFFICACIOUSLY scores 26 points in Scrabble (before bonus squares) and 29 points in Words With Friends.