Quenya 

sarat

letter

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.

sarat

noun. letter (of the Rúmilian alphabet)

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).

Sindarin 

têw

letter

têw (i dêw, o thêw, construct tew) (sign, tengwa), pl. tîw (i **thîw), coll. pl. téwath**

tew

letter

(dew), pl1. tiw _ n. _letter. tew << têw; tiw << tîw. >> téw

Sindarin [(PE17 Sindarin Corpus) PE17:44] < _*teiw_ < _teñwa_ < TEÑ show, sign, indicate. Group: Parma Eldalamberon 17 Sindarin Corpus. Published by

têw

noun. letter, written sign

Sindarin [Ety/391, WJ/396, LotR/II:IV, LotR/E, Letters/427] Group: SINDICT. Published by

têw

noun. letter

Sindarin [Let/427; LotR/0305; LotR/1117; PE17/043; PE17/044; PE17/122; PE22/149; WJ/396] Group: Eldamo. Published by

têw

letter

(i dêw, o thêw, construct tew) (sign, tengwa), pl. tîw (i thîw), coll. pl. téwath

Noldorin 

tew

noun. letter

@@@ tîw (Ety/TEK) appears to be plural, but is clearly glossed as singular “letter” with primitive form tekmē

Noldorin [Ety/TEK; PE22/031; TI/182] Group: Eldamo. Published by

tîw

noun. letter

Primitive elvish

tekmā

noun. letter

Primitive elvish [PE17/043; PE17/044; PE18/104] Group: Eldamo. Published by

Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Early Quenya

teket

noun. letter

@@@ used for “letter (epistola)” in NQNT

Early Quenya [QL/090] Group: Eldamo. Published by

teketta

noun. letter

Old Noldorin 

tegma

noun. letter

Old Noldorin [PE22/031] Group: Eldamo. Published by