Here are some words made up by my classmates in Year 5.
noiter: a loud or horrible noise
by Barney
frongiggle: an eyebrow
by Suzanna
slodgingoyle: what snails call 'milk'
by Finn
grondole: the opposite of a noiter
by Barney
anuvway: another way
by Tomas
onay: on my way
by Tomas
easteast: a sandwich that lives in the east and talks
by Unknown
shinshanshoo: a mix between Shannon and shampoo
by Shannon
traved: a travelling bird
by Unknown