Hmmm - I could've sworn I tapped out a reply to this post today - but it's not present (well , at least I can't see it - apologies if I've done this twice then...)

In keeping with the original request:

pavlova
wellington boots
mackintosh
furphy (see last week's discussion)
macadamia nuts
macadam (oldsters' word used in Oz for a tar sealed / bitumised road. Attributed to Sir John MacAdam - the same guy the nuts are named after)

stales