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12-Letter Words With OPER

  • 30 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular 12-Letter Words With OPER

The most familiar words on this list, with their Scrabble scores.

All 12-Letter Words With OPER 30 words

How often does OPER appear in twelve-letter words?

Our combined English word list has 30 twelve-letter words containing OPER. They average 17.4 points, the best is ENDOPEROXIDE (23 points) and 46.7% end in S.

Total words
30
Average Scrabble score
17.4
out of 23 max
Everyday words
7%
common in ordinary English
Most common ending
S
46.7% of words

Most common last letters

  • s 46.7%
  • e 16.7%
  • d 6.7%

Top vowel pairs

  • io20%
  • oo16.7%
  • eo6.7%

Share of words where these two vowels sit side by side.

Rare words worth knowing

Valid in this dictionary but rarely seen in everyday English.

Highest-scoring twelve-letter word containing OPER

e 1n 1d 2o 1p 3e 1r 1o 1x 8i 1d 2e 1

E 1 + N 1 + D 2 + O 1 + P 3 + E 1 + R 1 + O 1 + X 8 + I 1 + D 2 + E 1 = 23 points

Double word
46 pts
Triple word
69 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

endoperoxide

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

Runners-up

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12-letter words containing…

Words containing OPER by length

Longer sequences containing OPER

Each link adds one letter and keeps only combinations that have words.

Change the last letter of OPER

Trending word lists

Five-letter lists built from the letters of yesterday's Wordle answer. The set changes every day.

How to use this word list

Using OPER in the middle of a word

12-Letter Words With OPER by the numbers

12-Letter Words With OPER FAQ

How many twelve-letter words containing OPER are there?

There are 30 twelve-letter words containing OPER in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring twelve-letter word containing OPER?

ENDOPEROXIDE is worth 23 points in Scrabble before any bonus squares. Other strong options are CODEVELOPERS (20), PHOTOPERIODS (20), SUBOPERCULUM (20).

Which rare twelve-letter words containing OPER score well?

Uncommon but valid choices include ENDOPEROXIDE (23), CODEVELOPERS (20), PHOTOPERIODS (20), SUBOPERCULUM (20). Few players know them, so they can catch an opponent off guard.