15 Letter Words Containing EFF

There are 11+ 15 letter words with EFF in our English dictionary. Every 15-letter EFF word below is valid in the Scrabble (TWL and SOWPODS), Wordle, and Words With Friends dictionaries, sortable and ready for your next puzzle. You can also browse all words with EFF.

Popular 15-Letter Words With EFF

effectivenesses 26
effectualnesses 23
effervescencies 28
efficaciousness 25
effortfulnesses 24
ineffablenesses 23
ineffaceability 28
ineffectiveness 26
ineffectualness 23
inefficaciously 28
superefficiency 30

All 15-Letter Words With EFF (10 words)

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How Common is EFF as a Middle 15 Letter word?

There are 11 15-letter words containing EFF in English. The average Scrabble score here is 25.8, with -S endings dominating (73% of them).

Total Words
11
Avg Scrabble Score
25.8
Most Common Ending (73%)
S
Top Vowel Pairs
IO
OU

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15 Letter Words with EFF are often very useful for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. Word Finder by WordTips gives you a list of words ordered by their word game points of your choice. You might also be interested in 15 Letter Words starting with EFF.

Are you playing Wordle? Try our New York Times Wordle Solver or use the Include and Exclude features on our 15 Letter Words page when playing Dordle, WordGuessr or any other Wordle-like games. They help you guess the answer faster by allowing you to input the good letters you already know and exclude the words containing your bad letter combinations.

Highest-Scoring 15-Letter EFF-Words in Scrabble

superefficiency 30
ineffaceability 28
inefficaciously 28
effervescencies 28
effectivenesses 26
ineffectiveness 26

What is the highest scoring word in Scrabble that contains EFF?

30 Points

The highest scoring word in Scrabble that contains EFF is superefficiency with a total of 30 points.

S 1
U 1
P 3
E 1
R 1
E 1
F 4
F 4
I 1
C 3
I 1
E 1
N 1
C 3
Y 4

FAQ 15 Letter Words With EFF

  • How many 15 letter words containing EFF are in the English dictionary?

    There are 11 15-letter words in the English dictionary that contain EFF. The average Scrabble score across them is 25.8.

  • Are there any rare 15 letter words containing EFF worth more in Scrabble?

    Yes. Uncommon 15-letter words like "ineffaceability", "inefficaciously", "superefficiency", "efficaciousness" contain EFF and can score big thanks to their unusual letters. "superefficiency" is worth 30 points in Scrabble before any bonus tiles.

  • What are the most common 15 letter words containing EFF?

    Everyday 15-letter words containing EFF include "effectivenesses", "effectualnesses", "effervescencies", "efficaciousness", "effortfulnesses".