% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "ONCE"

ONCE
way back when
fairy tale opener
at some point
___ in a blue moon
historically
back then
the last “O” of YOLO
never again
a single time
eleven, in El Salvador
back in the day
“Back in the good old days ?”
start of many a fairy tale
years ago
then
“Back in my day ?”
start of a fairy tale
at some previous point
“___ upon a time ?”
in times past
some time ago
start of a reminiscence
last “O” in YOLO
part of YOLO
“Kiss her ___ for me” (“A Holly Jolly Christmas” lyric)
years back
___-over
second word in many limericks
how many times the Washington Nationals have won the World Series
how many times TV’s Perry Mason lost a case
___ and for all