REINFORCEMENTS
Scrabble letter values: R1E1I1N1F4O1R1C3E1M3E1N1T1S1 = 21
Definition
REINFORCEMENTS is the plural of REINFORCEMENT.
noun REINFORCEMENT: a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission.
Synonyms of REINFORCEMENT: support, reenforcement