A1B3S1T1R1A1C3T1
12 points
ABSTRACT is validvalid
lacking concreteness [adj ABSTRACTER, ABSTRACTEST] : ABSTRACTEDLY [adv] / to take away [v ABSTRACTED, ABSTRACTING, ABSTRACTS] : ABSTRACTABLE [adj], ABSTRACTOR [n]
to draw away [v -ED, -ING, -S] / difficult to understand [adj ABSTRACTER, ABSTRACTEST, ABSTRACTLY]