theirvsTierWhat's the difference?

Quick tell: their is a pronoun, Tier is a noun, so they fill different roles in a sentence.

Which to use

“their” is a pronoun and “Tier” is a noun - they look or sound alike but fill different roles in a sentence.

#11,131
“their” frequency rank
#2,091
“Tier” frequency rank
13222
confusion score

Side-by-Side Comparison

Feature their Tier
Definition ihr Lebewesen, das seine Energie nicht durch Photosynthese gewinnt und Sauerstoff zur Atmung benötigt, aber kein Pilz ist

Letter map: their vs Tier

Shared letters muted; letters that set their and Tier apart highlighted. Shared run: 3. their runs 5 letters (CCVVC) against Tier's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
their
4 ch
Tier

Part-of-speech tell for their / Tier

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: their is apronoun and Tieranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 13222, derived from the frequency rank of both members and their visual similarity.

their is recorded at frequency rank #11,131, classified as apron, pronounced […]. Tier is at rank #2,091, tagged as anoun, pronounced [tiːɐ̯].

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 13222, this pair ranks #1,959,335 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of their vs Tier

Shared letters: eirt. Private to "their": h. Private to "Tier": -.

"their" · 5 letters · shape CCVVC  ·  "Tier" · 4 letters · shape CVVC

Known mistypes of this pair

  • their ← hteir · tehir · theirr · theri · thheir · thier · ttheir
  • Tier ← iter · teir · tierr · tire · ttier

Frequently Asked Questions

Is swapping "their" for "Tier" ever safe?
No - they are not even the same part of speech. "their" is a pronoun and "Tier" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "their" or "Tier" show up more?
"Tier" is the more common of the two: it sits at frequency rank #2,091 in our German list, against #11,131 for "their". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "their" vs "Tier" is on the table, pick a follow-up below.

  • Full dictionary entry for "their" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Tier" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,959,335 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "their" and "Tier" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs their". 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 #1,959,335 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list