Words Starting With EFF — English Word List
Every English word that starts with "EFF". Filter by length or suffix to narrow results for Scrabble, crosswords, and more.
11 words found11 Letter Words(2)
effectively25efficiently22
10 Letter Words(2)
efficiency23effortless16
9 Letter Words(2)
effective20efficient17
8 Letter Words(1)
efficacy21
7 Letter Words(2)
effects15efforts13
6 Letter Words(2)
effect14effort12
Related Word Lists
About These Words
Of the 11 matching words, the most common length is 11 letters (2 words, 18% of results).
The shortest 6-letter words are effect, effort.
The longest results are effectively, efficiently at 11 letters each.
Length distribution
6 letters
2 (18%)
7 letters
2 (18%)
8 letters
1 (9%)
9 letters
2 (18%)
10 letters
2 (18%)
11 letters
2 (18%)
Frequently Asked Questions
How many words start with "EFF"?
There are 11 English words that start with "EFF".
What does the prefix "EFF" mean?
Words starting with "EFF" share this common letter combination.