ina vs intra, What's the Difference?

Which to use

“ina” is a noun and “intra” is a preposition - they look or sound alike but fill different roles in a sentence.

#44,904
“ina” frequency rank: #21,787
“intra” frequency rank: 66691
confusion score

Side-by-Side Comparison

Feature	ina	intra
Definition	mãe	em.

Where the spellings diverge

Shared letters are muted; the letters that actually set ina and intra apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

3 ch

ina

5 ch

intra

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: ina is /iˈna/, [ʔɪˈnʌ] while intra is /in.'tra/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 66691, derived from the frequency rank of both members and their visual similarity.

ina is recorded at frequency rank #44,904, classified as anoun, pronounced /iˈna/, [ʔɪˈnʌ]. intra is at rank #21,787, tagged as aprep, pronounced /in.'tra/.

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 66691, this pair ranks #4,895 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ina vs intra

Shared letters: ain. Private to "ina": -. Private to "intra": rt.

"ina" · 3 letters · shape VCV · "intra" · 5 letters · shape VCCCV

Known mistypes of this pair

intra ← inntra · inrta · intar · intrra · inttra · itnra · nitra

Frequency comparison

ina#44,904

intra#21,787

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ina" and "intra" be used interchangeably?

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

Which is more common, "ina" or "intra"?

"intra" is the more common of the two: it sits at frequency rank #21,787 in our Portuguese list, against #44,904 for "ina". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ina vs intra

The fastest way to pick the right one every time.

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