One Hundred Words #2

Find one hundred words of at least four letters which you can reduce down to a single "I" or "a" by taking away one letter at a time so that you keep creating smaller and smaller words. Rules: You cannot create extra words by pluralizing a word you already have, and you cannot create a four-lettered word by pluralizing a three-lettered word.

I'll start you off:

1. Princess-princes-prince-pince-pine-pin-in-I

(Sometimes an example is more useful than an explanation, isn't it?)