I like a lot of tools in steem, but one of the best is this one : http://www.steemreports.com
You can find a lot of details about your account, including the most used words by you.
To check the most used words by you, write your steem name here : http://www.steemreports.com/steem-word-clouds
Here are my most used words in steem :
The bigger the word is in the picture, the most used it is.
What are your most used words in steem blockchain ? ☺