Saloon vs Salon
These are two different words with different meanings. Saloon is spelled with "oo" like "moon". Salon is spelled with one "o" like "on".
A saloon is usually used for a place that sells liquor like a barroom. A salon is a fashionable shop like a beauty salon.
Half-boiled vs Soft-boiled

These two words mean the same thing. The opposite of a half-boiled or soft-boiled egg is a hard-boiled egg. Usually when you boil an egg to make it half-boiled/soft-boiled, you boil it for 3 minutes. To make a hard yolk, the egg is boiled longer.
So the next time you eat breakfast out at a restaurant you can order your eggs how you like. What do you prefer:  half-/soft-boiled or hard-boiled?