ciris _("k")_noun "cleft, crack" (LT2:337 - obsoleted by cirissë?)
Quenya
rista
cut
ciris
cleft, crack
falqua
cleft, mountain pass, ravine
falqua ("q") noun "cleft, mountain pass, ravine" (LT2:341)
hyando
noun. cleaver, cleaver, [ᴹQ.] hewer (sword)
hyatsë
cleft, gash
hyatsë noun "cleft, gash" (SYAD), apparently changed by Tolkien from hyassë (VT46:16)
rissë
cut
rissë noun? The word is not clearly glossed but apparently means "cut" or "cleft" (ravine), the cognate of the final element of Imladris, Sindarin name of Rivendell. (PE17:87)
sanca
cleft, split
sanca (þ) ("k") noun? (or adj, or both?) "cleft, split" (STAK)
yáwë
ravine, cleft, gulf
yáwë noun "ravine, cleft, gulf" (YAG; according to VT46:22, the last gloss should perhaps be read as "gully" instead)
rista (2) noun "cut" (RIS), cf. #1 above.