grimace - a distortion of the countenance, whether habitual, from affectation, or momentary and occasional, to express some feeling, as contempt, disapprobation, complacency, etc.; a smirk; a made-up face.

achievements; actual results

actual expense; cost price

(economics) market price

practical test

on-the-spot investigation

index, an ordered list / (mathematics) index (raised suffix indicating a power)

Saint Petersburg (a federal city of Russia)

(grammar) object

arrival