slowvsSOBWhat's the difference?

Quick tell: slow is a adjective, SOB is a noun, so they fill different roles in a sentence.

Which to use

“slow” is an adjective and “SOB” is a noun - they look or sound alike but fill different roles in a sentence.

#1,504
“slow” frequency rank
#20,503
“SOB” frequency rank
22007
confusion score

Side-by-Side Comparison

Feature slow SOB
Definition Taking a long time to move or go a short distance, or to perform an action; not quick in motion; proceeding at a low speed. Initialism of son of a bitch.

Where the eye mixes slow and SOB

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
slow
3 ch
SOB

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: slow is /sləʊ/ while SOB is /ˌɛs oʊ ˈbi/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 22007, derived from the frequency rank of both members and their visual similarity.

slow is recorded at frequency rank #1,504, classified as anadj, pronounced /sləʊ/. SOB is at rank #20,503, tagged as anoun, pronounced /ˌɛs oʊ ˈbi/.

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 22007, this pair ranks #419,753 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of slow vs SOB

Shared letters: os. Private to "slow": lw. Private to "SOB": b.

"slow" · 4 letters · shape CCVC  ·  "SOB" · 3 letters · shape CVC

Known mistypes of this pair

  • slowlsow · sllow · sloww · slwo · solw · sslow

Frequently Asked Questions

Can "slow" and "SOB" be used interchangeably?
No - they are not even the same part of speech. "slow" is an adjective and "SOB" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "slow" or "SOB"?
"slow" is the more common of the two: it sits at frequency rank #1,504 in our English list, against #20,503 for "SOB". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "slow" and "SOB". Here's where to go from here.

  • Full dictionary entry for "slow" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "SOB" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #419,753 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "slow" and "SOB" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs SOB". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list