substantiate
sub·stan·ti·ate/səbˈstænʃiˌeɪt/verb
substantiate is spelled S-U-B-S-T-A-N-T-I-A-T-E: 12 letters and 4 syllables (sub·stan·ti·ate). It appears about once in every 1 million words in written English, the 35,748th most frequent word form (wordfreq, 2021 data). As a verb, substantiate means “To verify something by supplying evidence; to authenticate or corroborate” (English Wiktionary, September 2026).
How many letters and syllables are in substantiate?
| Letters | 12: S-U-B-S-T-A-N-T-I-A-T-E |
|---|---|
| Syllables | 4: sub·stan·ti·ate |
| In writing | about once in every 1 million words; the 35,748th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is substantiate?
Substantiate appears about once in every 1 million words in written English, the 35,748th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce substantiate?
- UK /səbˈstænʃieɪt/
- UK /səbˈstanʃɪeɪt/
- US /səbˈstænʃiˌeɪt/
Substantiate has 4 syllables, split sub·stan·ti·ate in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-substantiate.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with substantiate?
One word on PlainSpell end in the same sounds as substantiate from its last stressed vowel (/ænʃieɪt/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of substantiate
- substantiates present, singular, he/she/it
- substantiating participle, present
- substantiated participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does substantiate mean?
The meanings the English Wiktionary records, quoted as written there (source below).
verb
- 1
To verify something by supplying evidence; to authenticate or corroborate.
substantiate allegations
- 2
To give material form or substance to something; to embody; to record in documents
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Substantiate in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| German | beglaubigen, bestätigen, substantiieren, untermauern , bekräftigen, verwirklichen |
| Spanish | confirmar, corroborar, autenticar, verificar, evidenciar, autentificar |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does substantiate come from?
From Medieval Latin substantiatus (“given substance”), from the verb substantiare, first used 1657.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).