ShortShort A word family
-ast Words
/æst/ in many North American accents — words that share the -ast pattern
The -ast spelling family gives learners a practical bridge from simple Short A CVC words into longer words with the final blend /st/. The most useful first examples are cast, fast, last, mast, and past because they are regular, readable, and common in real sentences.
How the -ast family works
Keep the ending -ast together, then add or change the beginning sound. Read through the whole word from left to right instead of guessing from its first letter.
7 reviewed examples
-ast word list
Begin with the shorter words. Add the second group only after blends and digraphs in those words have been taught.
Start here
After blends or digraphs
A speaker appears only where a reviewed recording is currently available. Every listed spelling has still been checked for the target pattern.
Teach the right examples first
Why this -ast pattern is useful
Teach the high-value five-letter words first
Fast, last, and past match the common search pattern “5 letter words ending in ast,” but they are also the best beginner teaching words because they appear often in books, directions, and conversation.
Keep the whole ending together
Show learners that -ast works as one chunk. Instead of reading a + s + t separately, help them notice the full ending and pronounce the final /st/ as one clear blend.
Add longer words only after the core set is secure
Begin with cast, fast, last, mast, and past. Move to blast later, because the added beginning blend makes the word slightly harder to decode.
Choose reading words, not word-game filler
Keyword tools may suggest unusual or game-style lists. For phonics instruction, this page should stay focused on regular, useful, sentence-friendly words that genuinely help a learner read better.
Listening check
Listen and choose the -ast word
Question 1 of 5
Now read the same words aloud and use one in a sentence.
Explore another familyMove into connected text
Read -ast words in sentences
1The last bus went past.
2Cast the line.
3The mast is tall.
4The fast van went by.
5A blast made a sound.
6Past the mast, the sand was vast.
Ask the learner to underline the -ast word, decode it, and then reread the complete sentence naturally.
Spelling and pronunciation
Keep this family accurate
Some speakers use a broader vowel in fast, last, and past than they use in cat. Follow the pronunciation model used in your home, school, or curriculum; normal accent variation is not a reading error. The reading goal is to recognise the spelling family, keep the final blend /st/ clear, and read the word smoothly in context.
A common question
Useful -ast words for reading practice
The most useful beginner-friendly words that end in -ast are cast, fast, last, mast, and past. These are regular one-syllable examples, and several are common five-letter words. Blast is a strong next-step example after the basic set is secure. It is usually better to teach these real reading words than to chase long or rare -ast lists.
Five-minute routine
Practise without memorizing the list
Cover the list and reveal one word at a time. Say each sound, blend, then reread the word normally.
Build fast, then exchange its first sound to make another real word from this page.
Read one sentence, dictate one target word, and ask the learner to explain which letters spell the shared ending.
Ready-to-print practice
Print this -ast word lesson
The print layout keeps the reviewed word list, sentences, contrast, and practice routine while removing navigation and audio controls.