2 Verbs to Use for the Word cluttering

The student finds a clutter where he expects rationalized order; he finds he must exclude many words which lie in the borders and fringes of the meaning.

" Greenwich Village, hitherto a shabby red clutter of streets, uninviting, forbidding, dull, squalid, became for Joe the very swarm and drama and warm-blooded life of humanity.

2 Verbs to Use for the Word  cluttering