amperemeter amperemetre amperometer apatoraptor apertometer approperate attemperate emperoptera pamparaptor papparapaam paratrooper pepper-tree permeameter perpetrator peta-ampere poopetrator potamometer potato-root potoooooooo powermapper prep-to-pro pretaporter rat-tat-tat roto-rooter tartarpaper tat-tat-tat tera-ampere tete-a-tete tetra-paper tomatometer tomtomorrow tramteatret tree-topper troptometer