Here are the possible solutions for plane staircase clue
Answer
Clue
Relevancy
ramp
Clue
Plane staircase
Definition
to swindle, esp. by the practice of causing large, false increases in the price of shares etc. by dishonest means
tattoo
Clue
''The plane! The plane!'' guy
any
Clue
"... card, ___ card" (Last week: The two diagonally hidden 18-letter titles were "Up the Down Staircase" and "Upstairs, Downstairs." The latter answer turned downward at the D of "Downstairs.")
