i Register
In some senses, excrescency is marked as obsolete. Watch for register when choosing this word.
noun
An excrescent state or condition; the quality or fact of growing out of something; abnormal or excessive development
An exuberant outburst; an extravagance.
An excrescence, and excrescent growth; an outgrowth.
And having enquir'd into the History of Cork, I find it reckoned as an excrescency of the bark of a certain Tree […].
An abnormal, morbid, or unsightly outgrowth time for RIP final always.