reinforce
/ˌɹi.ɪnˈfɔɹs/verb
reinforce is spelled R-E-I-N-F-O-R-C-E: 9 letters and 3 syllables. It appears 4.8 times per million words in written English, the 11,541st most frequent word form (wordfreq, 2021 data). People search “reenforce vs reinforce” about 1,000 times a month (Google, United States). As a verb, reinforce means “To strengthen, especially by addition or augmentation” (English Wiktionary, September 2026).
How many letters and syllables are in reinforce?
| Letters | 9: R-E-I-N-F-O-R-C-E |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 4.8 times per million words; the 11,541st most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search | |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is reinforce?
Reinforce appears 4.8 times per million words in written English, the 11,541st 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 reinforce?
- UK /ˌɹiː.ɪnˈfɔːs/
- US /ˌɹi.ɪnˈfɔɹs/
- Australia /ˌɹiː.ɪnˈfoːs/
Reinforce has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-reinforce.ogg, Wikimedia Commons (author and licence on each file's page).
Words people confuse with reinforce
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
What rhymes with reinforce?
8 words on PlainSpell end in the same sounds as reinforce from its last stressed vowel (/ɔɹs/):
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 reinforce
- reinforces present, singular, he/she/it
- reinforcing participle, present
- reinforced participle, past
- re-enforce
- reenforce
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does reinforce mean?
The meanings the English Wiktionary records, quoted as written there (source below).
verb
- 1
To strengthen, especially by addition or augmentation.
He reinforced the handle with a metal rod and a bit of tape.
- 2
To emphasize or review.
The right homework will reinforce and complement the lesson!
- 3
To encourage (a behavior or idea) through repeated stimulus.
Advertising for fast food can reinforce unhealthy dietary tendencies.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Reinforce in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | renforcer |
| German | verstärken, aussteifen, versteifen , festigen , bekräftigen |
| Portuguese | reforçar |
| Spanish | reforzar, socalzar |
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 reinforce come from?
From re- + inforce.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).