Uncle is not an actual title so no, unless refers to as a persons name or at the beginning of a sentence:
For example:
Uncle needs us over at his place for seven.
My uncle Joe needs our help.
The capital form of the letter "f" is "F".
All proper nouns start with a capital letter.
Yes. Every letter in WORLD is capitalized.
Yes. It should be Worcestershire.
no, only the island's name needs a capital
"Your mother is writing a letter to Uncle Nestor."
If you mean aunt as in 'the wife of an uncle', then in German it would be "Tante". Remember that all German nouns are always spelt with a capital letter!
The capital letter of Australia is "C".
The Greek capital letter for Phi is Φ.
The Greek capital letter for Lamda is Λ.
The Greek capital letter for Xi is Ξ.
Yes, it is short for Veterinarian which has a capital letter.
do you use a capital letter for the word knighted
Underdog , Ultra man , Uncle Sam , Uncle Remus , Undercover Elephant , Uncle Scrooge , Uncle Pennybags , Uhlan .
An Open Letter to Uncle Edgar - 2014 is rated/received certificates of: Australia:M
The Greek capital letter for Omega is Ω.
The Greek capital letter for Theta is Θ.