Sindarin 

nen

noun. water (used of a lake, pool or lesser river)
Sindarin [Ety/376, S/435, UT/457, RC/327-328] Group: Hiswelókë's Sindarin Dictionary. Published by

nen

noun. (lesser) river, lake, pool, water, water, lake, pool, (lesser) river
Sindarin [PE17/052.2907; PE17/077.0302; RC/328.0101; SA/nen.001-2; VT42/14.0807-2] Group: Eldamo. Published by

nen

noun. waterland
Sindarin [Ety/376, S/435, UT/457, RC/327-328] Group: Hiswelókë's Sindarin Dictionary. Published by

nen

water

{ĕ}_ n. _water, lake. Q. nén. nîn

Sindarin [(PE17 Sindarin Corpus) PE17:52:77] < NEN water. Group: Parma Eldalamberon 17 Sindarin Corpus. Published by

duin

noun. (long and large) river (having strong current)
Sindarin [S/430, LotR/F, TC/179, VT/48:24] Group: Hiswelókë's Sindarin Dictionary. Published by

lorn

noun. quiet water
Sindarin [VT/45:29, X/LH] Group: Hiswelókë's Sindarin Dictionary. Published by

lorn

noun. anchorage, harbour
Sindarin [VT/45:29, X/LH] Group: Hiswelókë's Sindarin Dictionary. Published by

sîr

noun. river, river, stream, stream
Sindarin [PE17/037.0309; RC/269.0606; RC/384.2307; RC/587.2901-2; SA/sîr.001; UT/263.3415] Group: Eldamo. Published by

sîr

noun. river
Sindarin [Ety/385, S/437, RC/384] Group: Hiswelókë's Sindarin Dictionary. Published by

rib-

verb. to flow like a (torrent ?)

The reading of the gloss is uncertain

Sindarin [Ety/384, X/RH] Group: Hiswelókë's Sindarin Dictionary. Published by

* siria

flow

(vb.) siria- (i hiria, i siriar).

* nên

water

nên (lake, pool, stream, waterland), construct nen, pl. nîn. FLOOD-WATER (or ”wash”) iôl (pl. ŷl) (RC:334, VT48:33).

* celon

noun. river
Sindarin Group: Eldamo. Published by

* celon

noun. river
Sindarin Group: Neologism. Published by

* duin

river

(long, large river with strong current) duin (i dhuin), no distinct pl. form except with article (i nuin) (VT48:24)

* sîr

river

1) (also = rill) sîr (i hîr, o sîr), in compounds sir- or -hir or -hír; no distinct pl. form except with article (i sîr), coll. pl. siriath. Note: sîr is also the adverb ”today”. 2) celon (i gelon, o chelon), pl. celyn (pl. i chelyn), 3) The word lind ”singer” may also be used of rivers (see . (WJ.309).