what/ four/ word/
grid
olio
dent
tram
Rete is a four-letter word for network. While the anatomical word is plexus, the crossword-puzzle word is rete.
In crossword puzzles, that is frequently "a pop."
saga
etui -- common in crossword puzzles
Acer
For the crossword puzzle hint, try 'soon'.
Kite if you are playing binweevils crossword
APEX :) Doing the Quick Crossword in last week's That's Life?? I think the overall answer is mailbox to the Quick Crossword.
According to a Washington Post crossword, it's an olla.