Crossword Clue:

FINGERTIP the end of the finger

AnswerCrossword Clue
CUBITMeasure from the elbow to the end of the middle finger
TIPTHROEViolent spasm in the very end of one's finger?
SUMExcel calculation (and the end of a split order of finger food)
NAILProtection for the finger end.
FLAGEOLETSmall, end-blown flute with six finger holes.