5 syllables: Co, op, er, a, tion. Stress on a.
koh-ah-pur-AY-shuhn
/koʊˌɑpɚˈeɪʃən/
Cooperation is pronounced koh-ah-pur-AY-shuhn (/koʊˌɑpɚˈeɪʃən/). It has five syllables (Co-op-er-a-tion), with the stress on "a". Cooperation is the action or process of working together with others to achieve a common goal. It involves collaborative effort, mutual assistance, and coordinated activity among individuals or groups, often balancing shared interests with collective outcomes. The term emphasizes partnership, harmony, and productive interaction in multiple settings—from business to community projects.
nounCooperation is the action or process of working together with others to achieve a common goal. It involves collaborative effort, mutual assistance, and coordinated activity among individuals or groups, often balancing shared interests with collective outcomes. The term emphasizes partnership, harmony, and productive interaction in multiple settings—from business to community projects.
How to Pronounce Cooperation
"The project succeeded thanks to international cooperation among scientists."
"Community leaders praised the cooperation of residents in organizing the relief effort."
"The two departments are seeking greater cooperation to streamline processes."
US: /ˌkoʊˌɒpəˈreɪʃn/ or /ˌkoʊˌɑːpəˈreɪʃən/ depending on vowel choice. The main stress lands on the third syllable: co-o-PER-a-tion, with a secondary stress on the first syllable. The final syllable reduces to a schwa in casual speech, making it /ˌkoʊˌɒpəˈreɪʃn/ or /ˌkoʊˌɑːpəˈreɪʃn/. UK: /ˌkəʊɒpəˈreɪʃən/ with primary stress on the third syllable, and a more rounded first syllable /kəʊ/. AU: /ˌkəʊəˈpəːreɪʃən/ or /ˌkəʊəˈpɒrˈeɪʃn/ depending on speaker; generally similar rhythm but with slightly more centralized vowel quality in some speakers. Audio reference: consult a pronunciation platform linking to Cambridge/Oxford dictionaries or Forvo entries for individualized variants.
Common mistakes include misplacing the stress (placing it on the second syllable instead of the third), omitting the final -tion sound and saying /ˌkoʊˈreɪʃn/ or /ˌkoʊˌɑːpəˈreɪʃən/ shortened too much, and conflating with ‘co-op-er-a-tion’ by over-pronouncing the ‘op’ portion. To correct: maintain the primary stress on the third syllable (er-ation), pronounce the ending as /ʃən/ rather than /ʃn/ or /ʃən/ with a clear schwa, and keep both the second syllable reduced but not eliminated. Practice with slower cadence to ensure accurate segmenting: co-o-OP-er-ation should flow as co-o-OP-ə-REI-shən.
US tends to give a strong /oʊ/ in the first syllable and a distinct /reɪ/ in the penultimate syllable, with a clear schwa in the middle: /ˌkoʊˌɒpəˈreɪʃn/. UK often uses a /əʊ/ in the first syllable and a clearer /eɪ/ in the third syllable: /ˌkəʊɒpəˈreɪʃn/. Australian speech can compress the middle syllable slightly and exhibit a broader /ɪ/ or /ə/ in unstressed positions, yielding /ˌkəʊəˈpəˈreɪʃən/ or /ˌkəʊəˈpɒˈreɪʃn/ depending on region. In all, the main differences lie in vowel quality of the first syllable, the centralization of the middle syllable, and rhoticity (US is rhotic, UK/AU often non-rhotic in formal speech, though rhotic variants exist).
The difficulties include the multi-syllabic structure with four syllables, the shift from a strong vowel in the first syllable to a reduced middle syllable, and the final unstressed -tion cluster that becomes /ʃn/ or /ʃən/ in rapid speech. The combination of /koʊ/ or /kəʊ/ plus /ˌɒpə/ requires precise articulation to avoid merging sounds into /koʊˈpəreɪʃn/ or /koʊˌopəˈreɪʃn/. Focusing on a crisp /ˈreɪ/ in the stressed syllable and a distinct /ʃən/ ending helps clarity across accents.
Unique tip: treat the word as co-OP-er-ation with a slight delay before the stress peak. Start with a rounded /k/ with lips together, then move to a reduced /ə/ in the second syllable, land the primary stress on /ˈreɪ/ in the third, and finally glide into /ʃən/ with a gentle release. Practicing in staccato chunks—co-o-OP-er-ation—helps you consolidate the rhythm and avoid hooking the ending.
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US: rhotic, clear /r/ and longer /oʊ/ first diphthong, final /n/ preserved. UK: non-rhotic tendencies, lighter /r/ or dropped in syllable but preserved in linking. AU: slower vowels with more centralized /ə/ in middle; rhotic might vary. IPA references: US /ˌkoʊˌɒpəˈreɪʃn/, UK /ˌkəʊɒpəˈreɪʃən/, AU /ˌkəʊəˈpəˈreɪʃən/. Tips: record, compare, and adjust vowel length and rhoticity; emphasize final /n/ in careful speech.
Cooperation traces to the early 14th century from Old French cooperacion, derived from Late Latin cooperatio, from Latin cooperare meaning to cooperate or work together. The Latin co- means together, while operatio stems from opus/opera meaning work or effort. In Middle English, the term acquired a sense of joint action or assistance, evolving from ideas of mutual operation to modern social and organizational contexts. Over centuries, cooperation broadened from simple joint labor to formalized collaboration in governance, business, international relations, and community projects. The word’s emphasis shifted from mere joint action to the quality and structure of the collaboration—highlighting coordination, reciprocity, and shared objectives. First known uses appear in medieval treaties and merchant charters describing joint ventures, later expanding through Enlightenment-era political philosophy and 20th-century organizational theory to capture complex interdependencies in teams and societies.
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💡 These words have similar meanings to "Cooperation" and can often be used interchangeably.
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Words that rhyme with "Cooperation"
-ion sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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