rate vs rule, What's the Difference?

Which to use

“rate” is a noun and “rule” is a verb - they look or sound alike but fill different roles in a sentence.

#30,321
“rate” frequency rank: #24,780
“rule” frequency rank: 55101
confusion score

Side-by-Side Comparison

Feature	rate	rule
Definition	taxa	ditar regras, fazer regras

Letter map: rate vs rule

Shared letters muted; letters that set rate and rule apart highlighted. Shared run: 2.

4 ch

rate

4 ch

rule

Role in the sentence - rate and rule

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rate is anoun and ruleaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55101, derived from the frequency rank of both members and their visual similarity.

rate is recorded at frequency rank #30,321, classified as anoun, pronounced /ɹeɪt/, SAMPA: /r\eIt/. rule is at rank #24,780, tagged as averb.

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 55101, this pair ranks #10,799 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rate vs rule

Shared letters: er. Private to "rate": at. Private to "rule": lu.

"rate" · 4 letters · shape CVCV · "rule" · 4 letters · shape CVCV

Known mistypes of this pair

rate ← raet · ratte · rrate · rtae
rule ← rlue · rrule · ruel · rulle · urle

Frequently Asked Questions

Is swapping "rate" for "rule" ever safe?

No - they are not even the same part of speech. "rate" is a noun and "rule" a verb, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "rate" or "rule" show up more?

"rule" is the more common of the two: it sits at frequency rank #24,780 in our Portuguese list, against #30,321 for "rate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "rate" vs "rule" is on the table, pick a follow-up below.

Full dictionary entry for "rate" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "rule" - compare definitions side by side with the headword page. Word entry
This pair ranks #10,799 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"rate" and "rule" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs rate". Nearby pair
Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #10,799 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.