Note: these 'words' (valid or invalid) are all the permutations of the word ruin. These words are obtained by scrambling the letters in ruin.
Definitions and meaning of ruin
From Middle Englishruyne, ruine, from Old Frenchruine, from Latinruīna(“overthrow, ruin”), from ruō(“I fall down, tumble, sink in ruin, rush”).
ruin (countable and uncountable, pluralruins)
(countable, sometimes in the plural) The remains of a destroyed or dilapidated construction, such as a house or castle.
1705 (revised 1718), Joseph Addison, Remarks on Several Parts of Italy
The Veian and the Gabian towirs shall fall, / And one promiscuous ruin cover all; / Nor, after length of years, a stone betray / The place where once the very ruins lay.
(Can we date this quote by Joseph Stevens Buckminster and provide title, author’s full name, and other details?)
The labour of a day will not build up a virtuous habit on the ruins of an old and vicious character.
(uncountable) The state of being a ruin, destroyed or decayed.
(uncountable) Something that leads to serious trouble or destruction.
1625, Francis Bacon, Of Youth and Age
The errors of young men are the ruin of business.
The Bat—they called him the Bat.[…]. He[…]played a lone hand,[…]. Most lone wolves had a moll at any rate—women were their ruin—but if the Bat had a moll, not even the grapevine telegraph could locate her.
(obsolete) A fall or tumble.
1611, George Chapman, The Iliad
His ruin startled th' other steeds.
A change that destroys or defeats something; destruction; overthrow.