laggingvslongingTell them apart

Quick tell: lagging is a adjective, longing is a verb, so they fill different roles in a sentence.

Which to use

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

#22,134
“lagging” frequency rank
#14,989
“longing” frequency rank
37123
confusion score

Side-by-Side Comparison

Feature lagging longing
Definition falling behind, not keeping up the pace present participle and gerund of long

Letter map: lagging vs longing

Shared letters muted; letters that set lagging and longing apart highlighted. Shared run: 5.

7 ch
lagging
7 ch
longing

Role in the sentence - lagging and longing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lagging is anadjective and longingaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 37123, derived from the frequency rank of both members and their visual similarity.

lagging is recorded at frequency rank #22,134, classified as anadj. longing is at rank #14,989, tagged as averb, pronounced /ˈlɒŋɪŋ/.

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 37123, this pair ranks #297,201 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lagging vs longing

Shared letters: giln. Private to "lagging": a. Private to "longing": o.

"lagging" · 7 letters · shape CVCCVCC  ·  "longing" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • laggingalgging · laggign · laggingg · lagginng · laggnig · lagigng · laging · lgaging
  • longingllonging · lnoging · logning · longging · longign · longingg · longinng · longnig

Frequently Asked Questions

Is swapping "lagging" for "longing" ever safe?
No - they are not even the same part of speech. "lagging" is an adjective and "longing" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "lagging" or "longing" show up more?
"longing" is the more common of the two: it sits at frequency rank #14,989 in our English list, against #22,134 for "lagging". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "lagging" and "longing".

  • Full dictionary entry for "lagging" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "longing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #297,201 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lagging" and "longing" also get mixed up with nearby pairs, the highest-scored neighbour is "lagging vs lugging". 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 #297,201 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