lifelinevslifetimeWhat's the difference?

Which to use

“lifeline” and “lifetime” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#21,565
“lifeline” frequency rank
#3,701
“lifetime” frequency rank
25266
confusion score

Side-by-Side Comparison

Feature lifeline lifetime
Definition A line to which a drowning or falling victim may cling. The duration of the life of someone or something.

Where the eye mixes lifeline and lifetime

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
lifeline
8 ch
lifetime

Spelling & Dictionary Insight

A purely visual mix-up. lifeline (/ˈlaɪfˌlaɪn/) and lifetime (/ˈlaɪf.taɪm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 25266, derived from the frequency rank of both members and their visual similarity.

lifeline is recorded at frequency rank #21,565, classified as anoun, pronounced /ˈlaɪfˌlaɪn/. lifetime is at rank #3,701, tagged as anoun, pronounced /ˈlaɪf.taɪm/.

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 25266, this pair ranks #395,642 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lifeline vs lifetime

Shared letters: efil. Private to "lifeline": n. Private to "lifetime": mt.

"lifeline" · 8 letters · shape CVCVCVCV  ·  "lifetime" · 8 letters · shape CVCVCVCV

Known mistypes of this pair

  • lifelineilfeline · lfieline · liefline · lifeilne · lifelien · lifelinne · lifelline · lifelnie
  • lifetimeilfetime · lfietime · lieftime · lifeitme · lifetiem · lifetimme · lifetmie · lifettime

Frequently Asked Questions

Can "lifeline" and "lifetime" be used interchangeably?
No. They are said differently (/ˈlaɪfˌlaɪn/ versus /ˈlaɪf.taɪm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lifeline" or "lifetime"?
"lifetime" is the more common of the two: it sits at frequency rank #3,701 in our English list, against #21,565 for "lifeline". 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 "lifeline" and "lifetime". Here's where to go from here.

  • Full dictionary entry for "lifeline" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lifetime" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #395,642 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lifeline" and "lifetime" also get mixed up with nearby pairs, the highest-scored neighbour is "lifelike vs lifeline". 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