direct debit (variable amount)/standing order (fixed amount)
railroad
railway
rain check
document that authorizes one to purchase goods at a discounted price after a sale has ended (issued when an advertised item has sold out), colloquially used to request a delay to something, sometimes an indefinite delay
an accomplice to a vendor of goods or services who pretends to be a disinterested customer to drive up the price e.g. increasing bids at auctions, overpaying for goods, appearing to win at gambling.
sidewalk
pavement (unlike US, always refers to sidewalk, never to road), footpath
skillet
frying pan
sneakers
trainers
sophomore
second (particularly second-year students)
spyglass
(terrestrial) telescope
squash
(vegetable) marrow
station wagon
estate car
steam shovel
mechanical excavator
stickshift
manual gearbox (not often used, since it is the default. The opposite is "an automatic")
no direct equivalent, more than two houses joined together "terraced" houses
trolley car
tram
truck stop
transport cafe
turn signal, directionals
indicators
tuxedo
dinner jacket, 'DJ', 'black tie' (sometimes used in UK)
two cents
fourpenn'orth/tuppenn'orth
undershirt
vest, singlet
wall jack
electricity outlet, plug socket, phone socket, power socket, or even "plug", despite being exactly the same term as the thing that fits into it.
wall wart
transformer that plugs directly into the wall socket i.e. has no trailing lead/power cable
wetback
pejorative term for an illegal immigrant from Central/South America. So called as they are presumed to have swum the Rio Grande river to have entered the USA.