It rained in memory of Noah, a toad-strangler that threatened to wash them all into a gully that foamed and churned with red water

Another source of variability is given by competition of different word-formation procedures, eg transflection (a word-formation procedure common in Slavic languages in which a new word is coined by a change of grammatical morpheme) vs ...

the revival of a revoked will

Generally speaking the article is formed of two pieces which are interfixed for providing a pair of spring urged jaws...