Grow
One possibility is growth.
Growing or expanding
A ten letter word for the process is metabolism. An 11 letter word is respiration.
cash cash
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There is an 8-letter word "becoming." 7-letter words are combine, combing, confine, fencing, and meowing.
process
Processors with a smaller word size can process more data during each processor cycle.
desensitized
PRESERVATION?
mummify
protect, process, grocery