α. 1800s rumblety thump, 1800s rummble-te-thumps, 1800s– rumble de thump, 1800s– rumble-de-thumps, 1900s– rumelty-thump, 1900s– rumilty-dumps, 1900s– rumle-de-thump, 1900s– rummelte-thump, 1900s– rummelty-thump, 1900s– rummilty-thump, 1900s– rummle-de-thump, 1900s– rummlety-thump, 1900s– rumplede-thump.
β. 1800s rumley thump, 1900s– rummel-thump, 1900s– rummle-thump.