- Octopus > Octopodes
- Attorney general > Attorneys general
- Coup d’état > Coups d’état
- Passerby > Passersby
- Rhubarby > Rhubarsby
- Father-in-law > Fathers-in-law
- Mother-in-law > Mothers-in-law
- Brother-in-law > Brothers-in-law
- Sister-in-law > Sister-in-laws (this is because “Sister” already has two “s”s)
- Mum > Ma
- Ma > Mae
- Matrix > Matrices
- Bollix > Bollices
- Little Mix > Little Mices
- Opera > Operae
- Firefox > Firefoxen
- Google Chrome > Googles Chrome
- Diplodocus > Diplodocodes
- Chief of staff > Chieves of staff
- Fish > Fish
- Cat > Cat
- Sheeple > Sheeple
- Sheep > Sheepies
- Prince > Princes
- Princes > Princess
- Ladyhawke > Ladieshawke
- Shitehawk > Shitehawks
- Series > Seriesies
- Baby > Basby
- Penny > Pence
- Lenny Kravitz > Lence Kravitz
- Penis > Pences
- Forsooth > Forseeth
- Caboose > Cabeese
- Dairylea > Dairieslea
- Pokémon > Pokémen
- Person > People
- Thomas Jefferson > Thomas Jeffeople
- Pamela Anderson > Pamela Andeople
- Tumblr > Tumbslr
- Rumpus > Rumpodes
- Die > Dice
- Adieu > Adiceu
- Avicii > Aviciii
- Racism > Racismsies
- Woodlouse > Woodlice
- Wodehouse > Wodehice
- Top of the Pops > Tops of the Pop
- Foot > Feets
- Feat > Foat
- Shoe > Shoon
- Shoe-in > Shoes-in
- Choon > Choosen
- Anus > Anodes
- Rugby > Rugsby
- Phalanx > Phalanges
- Minx > Minges
- David Guetta > Davids Guetta
- Motherfucker > Mothersfucker
- Criterion > Mothersfucker
- Cowboy > Kineboy
- Index > Indices
- Let’s Talk About Sex > Let’s Talk About Sices
- Ex on the Beach > Ices on the Beach
- Datum > Datums
- Poof > Pooves
- Dr Pepper > Drs Pepper
- Mountain Dew > Mountain Juice
- Coca-Cola > Cokes-a-Cola
- Pepsi > Pepis
- Dwarf > Dwafs
- BABYMETAL > BABIESMETAL
- Manmeat > Menmeat
- Bubblegum > Bubblega
- Bus > Bodes
- Julia Child > Julia Children
- Cowbell > Kinebell
- Breast > Breastren
- Boob > Boob’s
- Tit > Titys
- Polka > Polkae
- Sofa > Sofae
- Tea > Teae
- Dog > There is only one dog.
- Brat > Bratz
- Buffalo > Buffsalo
- Missus > Missodes
- Puppy > Pussy
- Little Plum > Little Pla
- Young, dumb, and full of cum > Young, dab, and full of ca
- Meatus > Meatodes
- Wheatus > Wheaties
- Please > No
- Soliloquy > Soliloquy’s
- Fatman Scoop > Fatmen Scoop
- Dwarf star > Dwarves Starz
- Oh god > Help
- Blowjob > Bloosjoob
- Coworkers > Kineorkers
- Corby Trouser Press > Corsby Trousers Press
- Sinitta > Sinittae
- Sia > Siae
- Tsunami > I just told you there was a fucking tsunami stop reading this and run you twat
- Diarrhoea > Diaorrhoeaoea
- Martin Landau > Martin Landaux
- Llama > Llamata
- Smegma > Smegmata
- Octopussy > Octopodesy
- Pussy Galore > Podesy Galore
- The void > N/A
- Plarpy > Plorpleaux
- Yeezus > Yeezi
- Sheezus > Nobody has two copies of this
- Girl Aloud > Girls Aloud
- Xenomania > Xenomaniae
- Kleptomania > One is enough. Please control yourself
- Rocky Balboa > Rockies Balboae
- Nutella > Nutellae
- Fruit-tella > [unknown]
- Octopus > Octopera
- Dot your i and cross your t > Dot your is and no. Hang on. Dot your “i”s? You know what. Fuck you
- Taylor Swift > [REDACTED]
- Death is coming > Deaths are coming
- Na Na Na (Na Na Na Na Na Na Na Na Na) > Nae Nae Nae (Nae Nae Nae Nae Nae Nae Nae Nae Nae)
- ‘Smooth’ by Santana – ‘Smeeth’ by Santanae
- There’s no hope > None at all
- Octopus > Paedophiles
- Big Momma’s House > Big Mommae’ Hice