For a certain type of dirt, my late wife had “grint” — possibly a portmanteau of grime and lint.
The best of such words are constructed like genuine English words, and some folks delight in working them into sentences. James Thurber and Paul Rhymer come to mind.
From an unwritten story:
The miscreant was sentenced to be scongled, poffed, and defliminated. “No!” he cried. “Not the shame of sconglement, the pain of poffage, and the disgrace of deflimination!”