IPA: /ˌsɛr.ənˈdɪp.ɪ.ti/
KK: /sɛrənˈdɪpɪti/
A lucky or unexpected discovery that happens by chance.
Finding that old photograph in the attic was pure serendipity.
Serendipity is derived from the word 'Serendip', which is an old name for Sri Lanka, and was popularized by Horace Walpole in 1754. The term refers to the occurrence of events by chance in a happy or beneficial way. The original meaning relates to the idea of making fortunate discoveries accidentally.
Imagine discovering something wonderful by chance, just like the name 'Serendip' suggests a place where happy accidents happen.
No commonly confused words.