Step 1 for AmE: Start with 'in', pronounced /ɪn/.
Step 2 for AmE: Then 'sti', with a short /ɪ/ sound.
Step 3 for AmE: Say 'tu', stress the long /uː/ sound, ending with 'tion', pronounced /ʃən/.
mis-pronouncing (in-sti-tosh-en)
omitting 'tu' sound (in-sti-shun)
incorrect stress on 'sti' (in-STI-tu-tion)
Step 1 for BrE: Start with 'in', pronounced /ɪn/.
Step 2 for BrE: Then 'sti', with a short /ɪ/ sound.
Step 3 for BrE: Say 'tju', with a brief y sound as in /j/, ending with 'tion', pronounced /ʃən/.
mis-pronouncing (in-sti-tosh-en)
omitting 'tju' sound (in-sti-shun)
incorrect stress on 'sti' (in-STI-tu-tion)
The stress is on 'tu' to emphasize the long /uː/ sound.
Yes, in AmE it's just /tuː/, while in BrE it's /tjuː/ with a slight 'y' sound.
Remember that 'tion' sounds like /ʃən/, not 'tosh-en'.
A large organization or place of learning.
/ˈɪnstɪtuːt/
An organization for education.
/ˌɪnstɪˈtuːʃənəl/
Relating to an institution.
/ˈkɒnstɪtjuːt/
To form or make up.
Long /uː/ sound in 'institute' vs 'institution' where stress changes.
'Institutional' has an added syllable and rolls 'tu' into 'shun'.
'Constitute' has a 'con' sound and no /ʃən/ ending.
Listen to native speakers and mimic their intonation.
Break the word into syllables and practice each part.