Here are some:
decline
decrease
diminish
dwindle
shrink
There are LOADS of examples - such as... diminish, reduce, crop, prune
pinner
It is bar.
imperialism
The word consolidated means put together into a larger whole. The term is often used to describe a business that was created by the merger of two or more smaller businesses, or any organization that results from the merger of smaller organizations.
Dwindle means to slowly get smaller. The amount of water had started to dwindle because of the extremely hot summer's day.
pinner
lessen, lesson
polymer
It is bar.
Sub means smaller or under.
The German word "abnehmen" translates to "to lose weight" or "to decrease" in English.
The word "smaller" is an adjective which compares two or more things, indicating a lesser size or amount.
diminished
Subcontinent.
compress
imperialism
The prefix "de-" means to reverse the action or make something less or smaller. For example, "deflate" means to make something smaller by removing air.