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The pronunciation of any word in English (or any language at all) is not Universal.  This is because there are many different dialects of The English Language — both throughout America, and also world-wide.  The pronunciations that are presented on GiveMeSomeEnglish!!! are based-upon a combination of both “common usage”, and the most neutral accent used in The International Common Tongue — a.k.a. “American English”.
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Application – For this word:  the “A” is short;  the “pp” combination is pronounced simply like the single letter “p” (this is the standard pronunciation of this letter combination in The Common Tongue);  the “i” is an i-schwa;  the “c” is hard;  the “a” is a Long “A” / Long “E” Diphthong;  and for the “-tion” suffix – the “ti” combination is pronounced like the un-voiced “sh” combination, and the “o” is pronounced as an i-schwa (this is the standard pronunciation of this suffix in The Common Tongue).

– /æp-lih-KAY-shihn/ – /ˌæp.lə(ɪ).ˈkeiː.ʃə(ɪ)n/ – Notice also that there is a minor stress on the first syllable and that the major stress is on the third syllable –

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See Also:  Applies, Apply, & Apps

Learn More About The Word “Application” On Wiktionary

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