VIM Replace word with contents of paste buffer?

Question

I need to do a bunch of word replacements in a file and want to do it with a vi command, not an EX command such as :%s///g. I know that this is the typical way

Answer 1

Using the information in this post, I have formed this useful mapping. I chose 'cp' because it signifies "change paste"

nmap cp "_cw"

EDIT:

Also I took this a step further and supported any motion.

To get the equivalent of command above it would be cpw for "change paste word"

"This allows for change paste motion cp{motion}
nmap  cp :set opfunc=ChangePasteg@
function! ChangePaste(type, ...)
    silent exe "normal! `[v`]\"_c"
    silent exe "normal! p"
endfunction