Yes, de- can be a prefix. This prefix means against.
de is the prefix
The prefix is de-. This prefix means away from.
The prefix for depot is "de-".
The prefix for descend is "de-".
The prefix of "gain" is "de-".
de is the prefix
The prefix is de-. This prefix means away from.
the prefix is de-
The prefix is de-. This prefix means down.
The prefix de- means away. Another word with this prefix is detach.
The prefix for depot is "de-".
The prefix for "tend" is "de-".
The prefix of "dense" is "de-".
The prefix for "tension" is "de-".
The prefix for "demeanor" is "de-".
The prefix of "developed" is "de-".
The prefix for descend is "de-".