Spell-checker induced errors

Spell-checkers can do much of the hard work of proof-reading so make sure you use them well. However, they are not foolproof and can make mistakes as they do not know which word you intended to type. Make sure the word you choose makes sense in context. Choose the correct word to replace the word with the spelling mistake.

The frst step towards understanding the crisis of 1931 is to distinguish between different types of coalition government.
1. first
2. fist
3. froth
4. frost
Tropical derforestation has accelerated markedly during the 1980s.
1. deforestation
2. reforestation
3. defenestration
4. fermentation
Having obtained an extact solution in region IV, the question now is to find the initial conditions which give rise to it.
1. extract
2. extinct
3. exist
4. exact
However, the medical advances were made, and so were many other scientific discoveries, impeled by the necessities of war.
1. implied
2. impelled
3. impaled
4. impart
There were, of corse, other professional sportsmen besides cricketers and footballers.
1. coarse
2. course
3. curse
4. court
Sux is clearly an essential determinant of the relationship called marriage.
1. Sex
2. Six
3. Sax
4. Sox
It is possible to remove the nucleus from the egg of a tad.
1. toad
2. road
3. rod
4. tod
Despite his fime amongst his contemporaries, Gassendi has been overshadowed by those whom he influenced.
1. foam
2. film
3. farm
4. fame
Above all, the flight of Rudolf Hess to Scotland gave rase to every conceivable kind of speculation.
1. raise
2. rise
3. rose
4. rays
These fixed connections in the brain might sugest that learning is impossible
1. suggest
2. sagest
3. surest
4. surges