porousvsprobsWhat's the difference?

Quick tell: porous is a adjective, probs is an adverb, so they fill different roles in a sentence.

Which to use

“porous” is an adjective and “probs” is an adverb - they look or sound alike but fill different roles in a sentence.

#17,924
“porous” frequency rank
#37,641
“probs” frequency rank
55565
confusion score

Side-by-Side Comparison

Feature porous probs
Definition Full of tiny pores that allow fluids or gasses to pass through. Clipping of probably.

Letter map: porous vs probs

Shared letters muted; letters that set porous and probs apart highlighted. Shared run: 4.

6 ch
porous
5 ch
probs

Role in the sentence - porous and probs

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: porous is anadjective and probsanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55565, derived from the frequency rank of both members and their visual similarity.

porous is recorded at frequency rank #17,924, classified as anadj, pronounced /ˈpɔːɹəs/. probs is at rank #37,641, tagged as anadv.

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 55565, this pair ranks #132,671 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of porous vs probs

Shared letters: oprs. Private to "porous": u. Private to "probs": b.

"porous" · 6 letters · shape CVCVVC  ·  "probs" · 5 letters · shape CCVCC

Known mistypes of this pair

  • porousoprous · poorus · porosu · porouss · porrous · poruos · pporous · proous
  • probsporbs · pprobs · prbos · probbs · probss · prosb · prrobs · rpobs

Frequently Asked Questions

Can "porous" and "probs" be used interchangeably?
No - they are not even the same part of speech. "porous" is an adjective and "probs" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "porous" vs "probs" - which ranks higher?
"porous" is the more common of the two: it sits at frequency rank #17,924 in our English list, against #37,641 for "probs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "porous" and "probs". Here's where to go from here.

  • Full dictionary entry for "porous" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "probs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #132,671 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "porous" and "probs" also get mixed up with nearby pairs, the highest-scored neighbour is "poops vs probs". 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 #132,671 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list