last (final or previous)
set (adjust or collection)
left (direction or what remains)
right (direction, correct or entitlement)
no (negative:non or number)
record (verb or noun)
second (time or position)
close (nearby or shut)
use (active_usage or category of function)
term (terminal or termination)
temp (temperature or temporary)
val (value or valid)
Avoid too short names that dont give a real benefit: prefer good readability
prop(erty), val(ue), str(ing), num(ber), idx(index), but use it as postfix {variable}_XXX
i, j, k, x, y, z