Sharing out loan first , part of a part (11)
S - B - I - I - I - -
Subdivision
Subdivising
Subdivisive
The last letter is the second letter in this answer
Outstanding person receiving heavy blow (4)
- - - R
www.thefreedictionary.com/oner 1. a single continuous action (esp in the phrase down it in a oner). 2. an outstanding person or thing. 3. a heavy blow. [C20: from one]. Collins English Dictionary