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Prefixes which change

When adding a prefix you sometimes have to drop or change a letter.

welcome
You are welcome to give him my phone number.
welfare
I care about the welfare of badly treated horses.
always
My shoes are always shiny.
almost
He was almost six feet tall.
although
Although it was raining, the children still wanted to go out to play.
impossible
It's impossible to hear you.
import
Is it against the law to import fresh meat?
impersonate
I will call and impersonate my friend's voice.
illegal
The traffic warden gave me a ticket for illegal parking.
illiterate
An illiterate person cannot read or write.
immature
The behaviour of some children was immature,.
irresponsible
It is irresponsible to drive so fast in a town.
irrelevant
The judge said that the evidence was irrelevant.

This word list was created by Spellzone. View more Spellzone course lists or curriculum word lists.

Learn about these words in Unit 23. Prefixes: when letters need changing.

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Other lists from Unit 23. Prefixes: when letters need changing.

A mixture of prefixes, Set 1
A mixture of prefixes, Set 2
Prefixes: per or pre?
Prefixes: ante or anti?
Prefixes: de or dis?
More prefixes, Set 3

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