Crossword Puzzle Less adulterated

Clue: Less adulterated

Teach a lesson to (PUNISH with 6 letters)
French instructor's directive during elocution lessons (APRESMOI with 8 letters)
Lessen or lower (BATE with 4 letters)
Greater or Lesser (ANTILLES with 8 letters)
Lesson #3: Russian leader played by Geoffrey Rush in "Frida" (LEONTROTSKY with 11 letters)
Lessons for the young (ABCS with 4 letters)
Lesser of two ___ (EVILS with 5 letters)
Lesson (e.g. EASE with 4 letters)
They hope you've learned your lesson (TEACHERS with 8 letters)
De Lesseps project (CANAL with 5 letters)