What's the difference between tagger and tugger?

Tagger

Definition:

• (n.) One who, or that which, appends or joins one thing to another.
• (n.) That which is pointed like a tag.
• (n.) Sheets of tin or other plate which run below the gauge.
• (n.) A device for removing taglocks from sheep.

Example Sentences:

• (1) At a time when 1970s subway taggers are flown to Paris to mark up Louis Vuitton stores, Banksy is criticized for making money.
• (2) But when sentencing London tagger Daniel “Tox” Halpin to a 27-month jail sentence in 2011, the prosecutor told the jury: “He is no Banksy.
• (3) I just flipped the dynamic: now the audience at home are my friends and the people who’ve come to see me are these taggers-on.
• (4) The Tagger et alii technique was used for root canal filling and root resorption area.
• (5) Graffiti artists in Bogotá are often even commissioned by shops or buildings to paint murals on their walls before taggers scrawl all over them.
• (6) I've met Kristian on numerous occasions and I know him as a tagger, or what we'd call a bomber.
• (7) I will be taking up offers for lessons from NYC and Cairo taggers, and next time take a stencil with me.

Tugger

Definition:

• (n.) One who tugs.

Example Sentences: