Sindarin has a second plural form formed with suffixes like -ath, -hoth or -rim. Compare:

Koranari *enquean-enquendóra yá haura autas nahtane ilye kelvaron yo laimaron*nelkasta, imbi exe ilye *aikalóki i lá poller vile. Aikalókion umbar ekésie lier i lúmello íre túver minye axontar nu i kemen. Ilye nóri nyarir nyarnar pá haure angulóki, epetai inte ar atani tankave enger uo imya lúmes, hya yáre atani yúyo túver aikalókion axor ar kárer nyarnar pá te.

In addition to the normal plural patterns from the entry on plural nouns, Sindarin has a number of less common plural patterns resulting from more obscure sound changes.

This post skips another small bridge entry on nouns, which is why it jumps to part 19.

Like English, Sindarin has a definite article i “the”, but unlike English it has no indefinite article “a, an”. In Sindarin, an indefinite item is specified by the bare noun: “the man” = i adan but “a man” = adan. The definite article is effectively a proclitic, closely associated with the following word, and as a result causes soft mutation.

Sindarin has a number vowel mutations that serve various grammatical functions. The best known is i-affection, which plays a major role in Sindarin plural nouns and adjectives, but is a factor in the conjugation of the Sindarin present tense as well. I divide i-affection into 3 different “flavors” of changes: internal i-affection, final i-affection and final i-intrusion.

I’m posting this introductory entry out of order, because I want to write up the entries on the individual consonant mutations before writing an overview.

Sindarin has a number of consonant mutations with various effects. Tolkien said:

Sibilant mutation results from an ancient preceding s that was caused various mutation effects before being lost. The two best examples of sibilant mutation are the preposition o “about” and (possibly) the conjunction a “and”. The most complete description of sibilant mutation appears in a discussion of one of the etymologies of “and”:

Liquid mutation results from a preceding liquid r, l. This is a rather speculative mutation, based only a couple of examples and what we know about Sindarin’s phonetic history. The only examples of liquid mutation appear in a couple of phrases from a document referred to as the Túrin Wrapper (VT50/5):

Stop mutation results from a preceding (ancient) voiced or voiceless stop t and d, generally from a preceding preposition. This stop is typically lost before consonants with various mutational effects. This is a somewhat speculative mutation, since Tolkien described it but we have no actual examples of this mutation in an attested sentences, except for in one rejected note where Tolkien considered making na-chaered stop mutation rather than soft mutation (PE17/147, where he described it as being from nat- or nad-).