The spelling of the word "proclivitied" can be a bit tricky to decipher. Pronounced /prōˈklivətid/, this word is formed from the base word "proclivity" with the addition of the suffix "-ed". The "c" in "proclivity" is pronounced as "k", leading to the spelling of "cliv" in the middle of the word "proclivitied". When adding the suffix "-ed", the final "y" in "proclivity" is replaced with "ied". This complex spelling makes the word difficult to spell and remember for some.