Answer: ria

AnswerCrossword Clue
RIASmall stream
RIAFjord relative
RIAFjord-like inlet
RIASea inlet
RIACove
RIAFjord's kin
RIAFjord's Spanish kin
RIACrossworder's creek
RIANarrow outlet
RIACrossword creek
RIAIt gradually increases in depth from mouth to head
RIARiver valley formation
RIARivulet
RIASpanish estuary
RIACreek
RIAEspana estuary
RIASmall inlet
RIAFjord kin
RIAColorado creek
RIASpanish for "estuary"
riaa long, narrow inlet
RIANarrow estuary
RIARiver inlet
RIASmall inlet in a shoreline
RIAEstuary
RIANarrow inlet
RIANarrow waterway
RIASmall river inlet
RIAMoney transfer company
RIAWedge-shaped inlet
RIADrowned valley
RIAInlet
RIALong, narrow estuary
RIALong, narrow inlet
RIACoastline feature
RIAFjord cousin
RIAFjord's cousin
RIAIncreasingly shallow inlet
RIAEngland's Portsmouth Harbour, for one
RIAOne of many on England's southern coastline