10 Golden Rules on Spelling Correction in English Grammar

Rule 1:
When the suffix “full” is added to a word, one “ I” is removed.

Faith + full = faithful

Use + full = useful

Rule 2:
If the word to which the suffix “full” is added ends in “ll”, one “I” is removed from the word also.

Skill +full = skilful

Will + full = wilful

Rule 3:
Words of two or three syllables ending in single vowel + single consonant double the final consonant if the last syllable is stressed. Eg-

Permit + ed = permitted

Occur + ing = occurring

Control + ed = controlled

Begin + ing = beginning

Rule 4:
Consonant ‘L’ is doubled in the words ending in single vowel + “I” before a suffix beginning with a vowel eg.

Signal + ing = signalling

Repel + ent = repellent

Quarrel + ed = quarrelled

Travel + er = traveller

Rule 5:
Words ending in silent “e”, drop the “e” before a suffix beginning with a voweleg.

Hope + ing = hoping

Live + ed = lived

Drive + er = driver

Tire + ing = tiring

Rule 6:
If the suffix begins with a consonant “e” is not dropped e.g

Hope + full = hopeful

Sincere + ly = sincerely

But,

True + ly = truly

Nine + th = ninth

Argue + ment = argument

Rule 7:
A final “y” following a consonant changes to “i” before a suffix except “ing”. Eg.

Carry + ed = carried

Happy + ly = happily

Marry + age = marriage

Beauty + full = beautiful

But,

Marry + ing = marrying

Carry + ing = carrying

Rule 8:
A final “y” following a vowel does not change before a suffix. Eg:

Obey + ed = obeyed

Play + er = player

Pray + ed = prayed

Rule 9:
When the suffix “ous” is added to a word ending in “ce”, “e” is changed to “i”.

Space + ous = spacious

Vice + ous = vicious

Malice + ous = malicious

Grace + ous = gracious

Rule 10:
When the suffix “ing” is added to a word ending in “ie”, “ie” is changed to “y”.

Lie + ing = lying

Die + ing = dying

Tie + ing = tying