[LRC](https://lrc.la.utexas.edu/lex/semantic/field/PW_WA)
ab- 'water, river'
aku̯ā- 'aqua, water, river'
ā̆p-2 'water, river'
arōd- '(type of waterbird)'
au̯(e)-9 'to wet, flow, sprinkle; water, river, etc.'
bhā̆gh- 'bog, swamp, lowland'
bhō̆gh- 'bog, swamp, lowland'
dā- 'fluid; river; to flow' reflex
enebh-2 : nebh- 'wet, damp; cloud, nimbus; water'
lat- 'wet, damp; swamp'
leu-g-2 : lu-g- : lū-g- 'blackish; swamp'
nebh-2 'wet, damp; clouds; water'
pen-2 'mud, fen, swamp, water; wet'
sal-1 'sal, salt; brackish water'
selos- 'sea, lake, swamp'
u̯egu̯- : ū̆gu̯- 'damp, moist; to wet, sprinkle, irrigate; ox'
u̯ep-1 : u̯ō̆p- : up- 'water'
u̯er-10 'to flow; wet; water, river, etc.'
u̯ren- 'to splash, sprinkle'