When to Use Estar

How you feel and where you are, that is when you use ESTAR
(not the only time, of course...)
Hope it helps you decide when to use estar....

How to pronounce Words ending in "TY" in English

Words that end in "ty" in English, will usually end in "dad" en Spanish. They will also be female words.
La..
University= universidad
creativity: creatividad
city: ciudad
relativity; relatividad
pity: piedad