Following are all the duodecember like words, in the list below.
UNDECIMBER
100% like duodecember
DECEMBER
100% like duodecember
TWELVEMONTH
99.99% like duodecember
NONES
99.99% like duodecember
DUODECADE
99.98% like duodecember
IDES
99.98% like duodecember
THIRTEENTH
99.98% like duodecember
FEBRUARY
99.97% like duodecember
DECIDAY
99.97% like duodecember
YULEMONTH
99.96% like duodecember
CHRISTMASTIDE
99.96% like duodecember
MIDWINTER
99.96% like duodecember
MIDMONTH
99.95% like duodecember
YULE
99.94% like duodecember
BISSEXTILE MONTH
99.94% like duodecember
NIVôSE
99.94% like duodecember
LEAP MONTH
99.93% like duodecember
EPAGOMENA
99.93% like duodecember
EMBER MONTHS
99.92% like duodecember
MID-DECEMBER
99.92% like duodecember
BISSEXT
99.92% like duodecember
CHRISTMAS
99.91% like duodecember
BIMESTER
99.91% like duodecember
FRIDAY THE THIRTEENTH
99.9% like duodecember
WINAL
99.9% like duodecember
COLD MOON
99.9% like duodecember
DéCADI
99.89% like duodecember
WYNTER
99.89% like duodecember
HALFMONTH
99.88% like duodecember
CHRISTMAS SEASON
99.88% like duodecember
LEAP YEAR
99.88% like duodecember
BLUE MOON
99.87% like duodecember
TWELVE DAYS OF CHRISTMAS
99.87% like duodecember
MID-NOVEMBER
99.86% like duodecember
MOONSHINE
99.86% like duodecember
JANUARY 0
99.86% like duodecember
ESFAND
99.85% like duodecember
YULETIDE
99.85% like duodecember
TWO-THOUSANDSIES
99.84% like duodecember
NEW YEAR
99.84% like duodecember
BLACK FRIDAY
99.84% like duodecember
DUODENE
99.83% like duodecember
MESORE
99.83% like duodecember
PROEMPTOSIS
99.82% like duodecember
CONCURRENT
99.82% like duodecember
MIDYEAR
99.82% like duodecember
MIDDLE DAY
99.81% like duodecember
VENDéMIAIRE
99.81% like duodecember
FRIMAIRE
99.8% like duodecember
WINTER
99.8% like duodecember
METEMPTOSIS
99.8% like duodecember
TWELFTHTIDE
99.79% like duodecember
WAYEB
99.79% like duodecember
NYCHTHEMERON
99.78% like duodecember
THORRI
99.78% like duodecember
MONTH OF SUNDAYS
99.78% like duodecember
XMASTIDE
99.77% like duodecember
DAYS
99.77% like duodecember
BOXING DAY
99.76% like duodecember
TWIXMAS
99.76% like duodecember
NEOMENIA
99.76% like duodecember
EASTERMONTH
99.75% like duodecember
2000S
99.75% like duodecember
NUNDINE
99.74% like duodecember
EVENNIGHT
99.74% like duodecember
OCTOCENTENARY
99.74% like duodecember
BLINDMAN'S HOLIDAY
99.73% like duodecember
FRUCTIDOR
99.73% like duodecember
TWELVE O'CLOCK
99.72% like duodecember
NINE O'CLOCK
99.72% like duodecember
DOZEN
99.72% like duodecember
TWELFTH-TIDE
99.71% like duodecember
DECAMILLENNIUM
99.71% like duodecember
DAY SIGN
99.7% like duodecember
SNOW MOON
99.7% like duodecember
MONIGHT
99.7% like duodecember
WINTERLESSNESS
99.69% like duodecember
CUTOVER
99.69% like duodecember
HOLINIGHT
99.68% like duodecember
TWELFTH NIGHT
99.68% like duodecember
TRECENA
99.68% like duodecember
MUMPING DAY
99.67% like duodecember
HALF BIRTHDAY
99.67% like duodecember
SYNODIC MONTH
99.66% like duodecember
TWELVEISH
99.66% like duodecember
CENTIDAY
99.66% like duodecember
NOONE
99.65% like duodecember
TWELVISH
99.65% like duodecember
TWIXTMAS
99.64% like duodecember
CHRISTMAS EVE
99.64% like duodecember
LUNATION
99.64% like duodecember
NEW YEAR'S EVE
99.63% like duodecember
TWELFTH TIDE
99.63% like duodecember
BRUMAIRE
99.62% like duodecember
SECOND TUESDAY OF THE WEEK
99.62% like duodecember
LUNAR MONTH
99.62% like duodecember
QUINZAINE
99.61% like duodecember
BISSEXTILE YEAR
99.61% like duodecember
SIGILLARIA
99.6% like duodecember
NINE
99.6% like duodecember