Crossword Puzzle Kind of test answer

Clue: Kind of test answer

Kind of test (e.g. ACID with 4 letters)
Kind of test or rain (ACID with 4 letters)
One kind of test (e.g. ACID with 4 letters)
Kind of rain or test (ACID with 4 letters)
Kind of wit or test (ACID with 4 letters)
A kind of test (ACID with 4 letters)
Kind of office machine (ADDING with 6 letters)
A kind of one ends each of this puzzle's four longest answers (ANT with 3 letters)
Geometry test answer, perhaps (AREA with 4 letters)
Kind of testing (e.g. BETA with 4 letters)