purposevssumWhat's the difference?

Quick tell: purpose is a noun, sum is a verb, so they fill different roles in a sentence.

Which to use

“purpose” is a noun and “sum” is a verb - they look or sound alike but fill different roles in a sentence.

#49,985
“purpose” frequency rank
#31,289
“sum” frequency rank
81274
confusion score

Side-by-Side Comparison

Feature purpose sum
Definition Absicht, Ziel, Zweck, Vorsatz 1. Person Singular Indikativ Präsens Aktiv des Verbs esse

Letter map: purpose vs sum

Shared letters muted; letters that set purpose and sum apart highlighted. Shared run: 1.

7 ch
purpose
3 ch
sum

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: purpose is anoun and sumaverb. On the page they differ by 4 letter(s) in length. Our composite confusion score for this pair is 81274, derived from the frequency rank of both members and their visual similarity.

purpose is recorded at frequency rank #49,985, classified as anoun, pronounced […]. sum is at rank #31,289, tagged as averb, pronounced […].

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 81274, this pair ranks #179,006 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of purpose vs sum

Shared letters: su. Private to "purpose": eopr. Private to "sum": m.

"purpose" · 7 letters · shape CVCCVCV  ·  "sum" · 3 letters · shape CVC

Known mistypes of this pair

  • purposeppurpose · prupose · puprose · puropse · purpoes · purposse · purppose · purpsoe

Frequently Asked Questions

Can "purpose" and "sum" be used interchangeably?
No - they are not even the same part of speech. "purpose" is a noun and "sum" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "purpose" or "sum"?
"sum" is the more common of the two: it sits at frequency rank #31,289 in our German list, against #49,985 for "purpose". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list