Filipinos sometimes use this term as a way of addressing their namesakes. In case you hear someone say to another, "Magandang umaga, tukayo!", you might think that the other person's name is "Tukayo". It's not. It only means that the person is greeting his/her namesake "Good morning!".
Formal Rank: #1926 Casual Rank: #1009 ** A lower rank means the word is used more frequently. For example, rank #1 would be the most frequently used word.
Method: This script ranks all words by frequency using both formal sources (mostly newspaper articles) and informal sources (a combination of over 100 hours of transcribed audio, internet comments, and amateur fiction writing) to roughly determine whether a word is used more frequency in casual or formal contexts.