Cold: Cnatan (sickness, it sounds kinda like youd say catan with a blocked nose)
Cold: Fuar (freezing)
Snot: Smug
I'm snotty: Tha mi smuagach
Hot: Teth (cheh)
Bog: Wet/not well.
Cadalach: Tired
Pian: Pain (Pee-an)
Tha pian an mo...: I hurt in my....
Tha mo .... gort: My .... hurts.
Head-ache: Ceann-gort
My (insert noun) is sick: Tha mo (cuir a-steach ainm) tinn.
Sicl: Tinn