Spelling Rule Posters – Suffixes and Plurals

Print these educational posters and display them in your classroom to remind students of some common spelling rules for adding suffixes and for changing words from singular to plural.

Rules include:

• When a word ends in ‘e’, drop the ‘e’ before adding ‘ing’.
• When adding the suffix ‘full’ to a word, drop one ‘l’.
• When a word ends in ‘ic’, add ‘al’ before adding ‘ly’.
• When a word ends in ‘y’, change the ‘y’ to ‘i’ before adding a suffix.
• When a single-syllable word has a single short vowel, double the final consonant before adding ‘ed’ or ‘ing’.
• When a multi-syllabic word ends in ‘l’, double the ‘l’ before adding ‘ed’ or ‘ing’.
• When a word ends in one ‘f’, change the ‘f’ to ‘v’ and add ‘es’.
• When a word ends in ‘ss’, ‘sh’, ‘ch’ or ‘x’ or ‘z’, add ‘es’.
• When a word ends in ‘o’ and is preceded by a vowel, just add ‘s’.
• When a word ends in ‘o’ and is preceded by a consonant, add ‘es’.
• When a word ends in ‘y’ and is preceded by a vowel, just add ‘s’.
• When a word ends in ‘y’ and is preceded by a consonant, change the ‘y’ to ‘i’ and add ‘es’.