Oh, dude, "th" in a street address stands for "th." It's like when you see 4th Street or 10th Avenue, it's just short for "fourth" or "tenth." So, yeah, it's not some secret code or anything, just a lazy way of saying the actual word.
Mindless behavior 143
Thirst and thrill are things that start with the letters th. Thief and thumb are things that start with the letters th.
Thumb begins with th. Thorn begins with the letters th.
Thai food, thuringia sausage, or Thanksgiving dinner start with the letters Th.
Purple flowers that begin with the letters Th are:ThistlePurple Thornapple
Preferably, the "th" (or with other numbers, "st", "nd", or "rd") is used. However, the address will be the same even if the suffix is not used.
There are millions of words that contain the letters "th."
Sloth,
linseed
laTHe THicknesser
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Thunder