tunggal
dwi
tri
catur
panca
heksa
sapta
asta

wow - who would've guessed at the similarities!!

As you suggested, it fell out. Only had a problem with tunggal and panca, but managed to guess them (working on the idea that the "anc" in five/panca sounded a bit like the "inque" for 5 in Latin languages).

As for tunggal - well only got there by default. Is it related to anything I'd recognise in Latin languages?

stales