diagram

/ˈdaɪ.ə.ɡɹæm/

//ˈdaɪ.ə.ɡɹæm// noun

By · According to Wiktionary data (CC BY-SA) ·

"diagram" is a 7-letter English headword indexed on PlainSpell.

The verdict

“diagram” has 10 generated spelling variants in the English index at frequency #8,921. The variants make it a useful spelling check.

#8,921
frequency rank, English
26,416
“D” headwords
10
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.

Key facts for diagram
PropertyValue
Headworddiagram
LanguageEnglish
Part of speechNoun
IPA/ˈdaɪ.ə.ɡɹæm/
Letters7
Frequency rank#8,921
Misspellings tracked10
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “diagram” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). diagram lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around diagram (IPA /ˈdaɪ.ə.ɡɹæm/), anoun. Corpus frequency is #8,921 among 26,416 “D” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for diagram, with forms such as "daigram", "ddiagram", and "diagarm". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From French diagramme, from Italian diagramma, from Ancient Greek διάγραμμα (diágramma). The correct English form is diagram, spelled D-I-A-G-R-A-M.

Definition

  1. 1
    A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.
  2. 2
    A graph or chart.
  3. 3
    A functor from an index category to another category. The objects and morphisms of the index category need not have any internal substance, but rather merely outline the connective structure of at least some part of the diagram's codomain. If the index category is J and the codomain is C, then the diagram is said to be "of type J in C".
  4. 4
    A crossword grid.

Etymology

From French diagramme, from Italian diagramma, from Ancient Greek διάγραμμα (diágramma).

Synonyms

schematicchartdesigndiagrammapgraphgraphicplanplotscheme

This word in other languages

diagrama(Español)diagramme(Français)Diagramm(Deutsch)diagrama(Português)

Common misspellings

Also misspelled as:

  • daigram
  • ddiagram
  • diagarm
  • diaggram
  • diagramm
  • diagrma
  • diagrram
  • diargam
  • digaram
  • idagram

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of diagram - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

daigram2ddiagram1diagarm2diaggram1diagramm1diagrma2diagrram1diargam2
Edit distance from "diagram"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "diagram"?
"diagram" is spelled D-I-A-G-R-A-M. The IPA pronunciation is /ˈdaɪ.ə.ɡɹæm/.
What does "diagram" mean?
As a noun, "diagram" means: A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.
What are common misspellings of "diagram"?
Common misspellings include "daigram", "ddiagram", "diagarm", "diaggram", "diagramm". The correct spelling is "diagram".
How do you pronounce "diagram"?
The IPA (International Phonetic Alphabet) transcription for "diagram" is /ˈdaɪ.ə.ɡɹæm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "diagram"?
From French diagramme, from Italian diagramma, from Ancient Greek διάγραμμα (diágramma). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “diagram”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is D-I-A-G-R-A-M - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈdaɪ.ə.ɡɹæm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list