7 letter words
CURIOUS​9
6 letter words
CURIOS​8
5 letter words (7 words)
COURS​7
CURIO​7
SCOUR​7
COIRS​7
CRIOS​7
CURSI​7
SIROC​7
4 letter words (15 words)
OURS​4
SOUR​4
CRIS​6
COUR​6
ORCS​6
URIC​6
COIR​6
CORS​6
CURS​6
CRUS​6
ROCS​6
SORI​4
URUS​4
RUCS​6
SCUR​6
3 letter words (21 words)
OUR​3
ISO​3
SIR​3
SRI​3
SUR​3
SOC​5
COS​5
SIC​5
CIS​5
COR​5
CUR​5
IOS​3
ORS​3
ROC​5
SUI​3
ORC​5
SOU​3
CRU​5
OUS​3
RUC​5
2 letter words (10 words)
IS​2
OR​2
US​2
SO​2
OS​2
SI​2
UR​2
OU​2
IO​2
OI​2