The spelling of the word "Congdon" is pronounced as /ˈkɒŋdən/. In IPA phonetic transcription, it can be broken down as follows: the "c" is pronounced as /k/, the "o" as /ɒ/, the "n" as /n/, the "g" as /ɡ/, the "d" as /d/, and the "o" as /ən/. The stress is on the first syllable, which is pronounced as /ˈkɒŋ/. Overall, the spelling and pronunciation of "Congdon" are fairly straightforward and easy to remember.