Just to widen the range of vocabulary under consideration, as a fan of the visual arts, whenever I see the words "Deco" and "Hogarthian" in use within a diving context, I still automatically visualise the following:
Traditionally we used "decom" as verbal shorthand for decompression through most of my career. I think I picked it up in the Navy but it could have been earlier. We also used capital "D" for compound words and phrases like no-D and Sur-D-O2 (Surface Decompression using Oxygen).