I’ve heard that it is, and it is one case where one side of the pond is clearly superior, although which one is which may depend on your level of juvenility, as supposedly a standard graffito is to insert an “i” between the last two words.
Says whom? 
People who know the definition of “mostly”.
I mostly remember it from the song King of the Road. Definitely a US song.
Trailer’s for sale or rent
Rooms to let, 50 cents
Dual: consisting of two parts, e.g. a desktop PC with dual monitors.
Duel: armed combat between two people, e.g. a duel to settle a matter of honor.
loss: a noun. Rhymes with “boss” or “dross.”
I wouldn’t have expected this particular confusion, but today I saw a headline about “Weight Lose Tips.”
All words are confusing when editors are replace with spell checkers. Luckily AI is all ready batter at grammar and punctuality then people is.
Make sit easier to spell corectally.
So much what you wrote, @TriPolar. Reading has only become more challenging because of the spell-checkers, not those who can’t spell or punctuate what they can spell.
call: a cry, a summons
caul: a membrane
germ: a seed, a microbe
jerm: a type of trading vessel with lateen sails
cloths: fabric
clothes: garments
forego: to go before
forgo: to do without
Founder also means to sink, as in ‘the ship foundered’. It means the ship has reached the bottom, so a ship can founder at low tide, then refloat at high tide.
Scorpio, an astrological star sign derived from Scorpius. Note; this is probably the word most people are familiar with.
Scorpii, a named or numbered star in the constellation Scorpius (such as Alpha Scorpii, also known as Antares or Xīnxiù’èr)
Origins / Oranges.
It’s not this tidy. You see the “do without” meaning commonly spelled both ways.
Fluke = Flounder (fish); ≠ Flounder (struggle/stumble); ≠ Fluke (a stroke of luck, barb of an arrow, or parasitic flatworm).
A fluke is also a whales tail fin.
A fluke is also a type of wormlike internal parasite.
And a well-respected brand of electronic test gear.
Scorpii is the Latin genitive (possessive) form of Scorpius. All the stars with a Bayer name use the genitive form of the constellation’s Latin name. So “Alpha Centauri” is the “first of Centaurus”, “Beta Pictoris” is the “second of Pictor”, “Episilon Eridani” is the “fifth of Eridanus” and so on.
It’s enough to make you wonder if on the sixth day, God left the office early and let Beelzebub oversee the project.