Silts

4 clues
Sediments
River deposits
Bank deposits?
Becomes clogged
Similar answers:
Aamesiowa
Aasifmandvi
Aasin
Aasinapple
Aasinare
Abasing
Abbashitsingle
Abcletelevision
Abernsteinmusical
Abesimpson
Abiesirish
Abiesirishroast
Abiesirishrose
Abitontheside
Abitsimple
Ablewasier
Abnersingleday
Abouthisize
Abpositive
Abrasing