accumulation

COLLECTION
WordClue
LOTpile, load
SETcollection
HEAPpile, mass
MASSpile, agglomeration
ATLAScollection of maps
FRONDcollection of leaflets on a plant
GROUPset, collection
PLUSHwarp pile fabric
STACKpile
SWATHEbattalion, pile
VELVETtype of pile fabric
LIBRARYorganized collection of resources
BATTALIONpile, horde
DICTIONARYcollection of words and their meanings
LICENSEaccreditation
ALLEGATIONaccusation