measure of brightness: crossword clues

Matching Answer
Confidence
IQTEST
60%
WATT
60%
LUMEN
60%
IQS
44%
FADE
42%
ACRE
20%
MENSA
20%
IQTESTS
20%
DIM
20%
SHEEN
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)