As for American influence, my youngest daughter picked up a lot of that from Youtube at one point, and I once interviewed a girl from Gravesend with such a strong US accent I assumed she'd grown up over there.
What with having moved a lot as a bairn, I feel that accents in many places are fading away. And also, I tend to sound like whoever I've been talking most to for the last two hours. It's a bit weird, that…makes people ask why I'm speaking with x accent. (^_^);
isn't English fun !
(For real though we don’t use that word for argument or whatever.)
Router (rooter) the thing that routes packets in a newtwork
Router (rowter) a machine tool that cuts grooves, etc., in wood or metal.
https://weather.metoffice.gov.uk/learn-about/weather/seasons...
https://twominenglish.com/autumn-vs-fall/
Now if we start saying "diaper" again instead of "nappy", you can start to worry.
https://english.stackexchange.com/questions/37256/police-in-...
It's not like they didn't already have dozens of slang terms for the police.
Most have fallen out of use but e.g. 'laik' is still understood by young people.
"Bedder" is less physical work, less effort, in the mouth than "better".