Quenya 

namma

claw, talon

namma noun "claw, talon" (also nappa) (VT47:20)

namma

noun. claw, talon

nammar

noun. court, courthouse, (lit.) judgment-house

Quenya Group: Eldamo - neologism/reconstructions. Published by

nappa

noun. claw, talon

A noun for “claw, talon” appearing rough notes on Elvish Hands, Fingers and Numerals from the late 1960s based on the root √NAP “grasp, seize quickly” (VT47/20). In the margin Tolkien wrote a variant form namma with the same glosses, and the mm was clear despite the implausibility of its derivation from √NAP.

Neo-Quenya: For purposes of Neo-Quenya, I’d stick to nappa.

nappa

claw, talon

nappa noun "claw, talon" (also namma) (VT47:20)

Sindarin 

gamp

claw

gamp (i **amp) (hook, crook), pl. ?gaimp or ?gemp (i ngaimp = i ñaimp or i ngemp = i ñemp), coll. pl. gammath**

gamp

claw

(i ’amp) (hook, crook), pl. ?gaimp or ?gemp (i ngaimp =  i ñaimp or i ngemp = i ñemp), coll. pl. gammath