(The affection is usually noted with a hyphen or a dot between article and word.)
These Sindarin prepositions contain the suffixed article -in:
The above combined articles when before a word, cause a peculiar phenomenon of lenition different from the above.
As a relative pronoun
In both Quenya and Sindarin, i is used for the relative pronoun "who" or a conjunction "that", introducing a secondary phrase. In Quenya it is usually the plural form of ya/ye but can also be used in the Singular.
- Perhael, i sennui "Panthael" estathar aen "Samwise, who ought to be called 'Fullwise'"
- Eru i or ilye mahalmar ea "the One, who is above all thrones"
In Quenya, it can also be declined as a noun:
- J.R.R. Tolkien, Christopher Tolkien (ed.), The Lost Road and Other Writings p. 298
- J.R.R. Tolkien, The Lord of the Rings, The Return of the King, "The Field of Cormallen"
- J.R.R. Tolkien, Christopher Tolkien (ed.), Sauron Defeated, King's Letter
- J.R.R. Tolkien, "Eldarin Hands, Fingers & Numerals and Related Writings — Part One" (edited by Patrick H. Wynne), in Vinyar Tengwar, Number 47, February 2005, p. 21
- Dragon Flame 2.0