sarat (pl. sarati given) noun "letter", any individual significant mark, used of the letters of Rúmil after the invention of Fëanor's tengwar (WJ:396). Cf. sarmë.
Quenya
narwë
sign, token
sarat
letter
taina
sign
#taina (2) noun "sign", isolated from Tainacolli *"Sign-bearer" MR:385
tana-
to show, indicate
tana- (2) vb. "to show, indicate" (MR:350, 385, 471) (cf. the demonstrative tana "that")
tanna
sign, token
tanna (1) noun "sign, token" (MR:385, PE17:186), also tanwa (PE17:186)
tanwa
sign, token
tanwa noun "sign, token" (Tolkien marked this word with a query, but it is not clearly rejected). Also tanna (#1). (PE17:186)
tengwa
noun. sign
sign, indicator, letter
tengwa
letter
tengwa (pl. tengwar is attested) (1) noun "letter" Tengwa (ñ) is defined as "any one visible sign representing (theoretically) any one audible teñgwe" (phoneme) (VT39:17). In non-technical usage tengwa was equivalent to "consonant", since only the consonants were full signs (WJ:396, TEK). In the Etymologies, tengwa was apparently emended from tengwë (VT46:17).
[narwë (and short nar, unless this is an incomplete form) noun "sign, token"] (VT45:37)