aldervsAlgerTell them apart

Quick tell: alder is a noun, Alger is a name, so they fill different roles in a sentence.

Which to use

“alder” is a noun and “Alger” is a name - they look or sound alike but fill different roles in a sentence.

#29,902
“alder” frequency rank
#45,778
“Alger” frequency rank
75680
confusion score

Side-by-Side Comparison

Feature alder Alger
Definition Any of several trees or shrubs of the genus Alnus, belonging to the birch family. A male given name from the Germanic languages, variant of Elgar.

Letter map: alder vs Alger

Shared letters muted; letters that set alder and Alger apart highlighted. Shared run: 4. alder and Alger follow the identical consonant-vowel pattern (VCCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
alder
5 ch
Alger

Role in the sentence - alder and Alger

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: alder is anoun and Algeraname. On the page they differ by a single letter - d in “alder” becomes g in “Alger”. Our composite confusion score for this pair is 75680, derived from the frequency rank of both members and their visual similarity.

alder is recorded at frequency rank #29,902, classified as anoun, pronounced /ˈɔːldə/. Alger is at rank #45,778, tagged as aname.

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 75680, this pair ranks #32,368 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of alder vs Alger

Shared letters: aelr. Private to "alder": d. Private to "Alger": g.

"alder" · 5 letters · shape VCCVC  ·  "Alger" · 5 letters · shape VCCVC

Known mistypes of this pair

  • alder ← alderr · aldre · aledr · allder
  • Alger ← agler · alegr · algerr · algger · algre · allger

Frequently Asked Questions

Is swapping "alder" for "Alger" ever safe?
No - they are not even the same part of speech. "alder" is a noun and "Alger" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "alder" vs "Alger" - which ranks higher?
"alder" is the more common of the two: it sits at frequency rank #29,902 in our English list, against #45,778 for "Alger". 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 "alder" and "Alger".

  • Full dictionary entry for "alder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Alger" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,368 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "alder" and "Alger" also get mixed up with nearby pairs, the highest-scored neighbour is "Alger vs algo". 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 #32,368 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