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.
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.
(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.
A change that destroys or defeats something; destruction; overthrow.