flexvsfreeWhat's the difference?

Quick tell: flex is a verb, free is an adjective, so they fill different roles in a sentence.

Which to use

“flex” is a verb and “free” is an adjective - they look or sound alike but fill different roles in a sentence.

#19,574
“flex” frequency rank
#3,313
“free” frequency rank
22887
confusion score

Side-by-Side Comparison

Feature flex free
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs flexen ohne eine Bezahlung zu verlangen; nicht mit Kosten verbunden

Where the spellings diverge

Shared letters are muted; the letters that actually set flex and free apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
flex
4 ch
free

Spelling & Dictionary Insight

flex and free form a confusable pair in the German index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 22887, derived from the frequency rank of both members and their visual similarity.

flex is recorded at frequency rank #19,574, classified as averb, pronounced [flɛks]. free is at rank #3,313, tagged as anadj, pronounced [fɹiː].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 22887, this pair ranks #1,868,451 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

flex#19,574
free#3,313

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "flex" and "free" be used interchangeably?
No, "flex" and "free" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering flex vs free

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “flex”; for an adjective, it's “free”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “flex” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list