What's the difference between slatter and slattern?

Slatter

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Definition:

• (v. i.) To be careless, negligent, or aswkward, esp. with regard to dress and neatness; to be wasteful.

Example Sentences:

• (1) With his strike Winothai, a former Belgian second division footballer, joined John Aldridge and Neil Slatter in the footnotes of players who have handed defeats to United's past two managers in their first games, after Alex Ferguson's 1986 vintage went down 2-0 to Oxford at the Manor Ground in the opener to what proved to be 26-plus years of success.

Slattern

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Definition:

• (n.) A woman who is negligent of her dress or house; one who is not neat and nice.
• (a.) Resembling a slattern; sluttish; slatterny.
• (v. t.) To consume carelessly or wastefully; to waste; -- with away.

Example Sentences:

• (1) She wrote that writers such as Caitlin Moran and Bryony Gordon (the Telegraph journalist allegedly called a “slut” or “slattern” by Michael Fallon , the defence secretary) are producing hyperconfessional works that constitute an “abandoning of dignity and self-respect”.
• (2) This may be tricky for a party famously disapproving of slatterns who don't clean behind their fridges, but one can see why Farage thinks it worth a go.
• (3) The word slut can mean a women who is slatternly but also one who is sexually promiscuous.