How it works
This oi oy word search opens on 16 words that share one vowel sound: Coin, Boil, Point and Voice with oi, Toy, Enjoy and Royal with oy. Five more lists sort 113 words by spelling and by where the two letters sit.
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Lists for oi
Under Start from a list, One-Syllable OI Words has Oil, Coin, Join, Moist and Choice. Longer OI Words has 47, from Avoid and Poison to Turquoise, Embroidery and Poinsettia. Rhymes With Oil and Boy sets Boil, Soil and Spoil beside Toy, Joy and Ploy.
Lists for oy
Longer Words That End in OY has Enjoy, Annoy, Destroy, Cowboy and Corduroy. OY at the Start or in the Middle has Oyster, Royal, Voyage, Gargoyle and Employment. The sheet prints a task: sort the words you found into an oi column and an oy column.
- Oil reads inside Boil, Soil and Spoil, so it sits in another list and no puzzle hides both.
- Short OI and OY Words has 36 words of three to five letters, such as Boy, Joy, Coin, Foil and Royal.
- Under More options, tick Show clues, not words and Cowboy prints as "A ranch worker who herds cattle on horseback."
Questions and answers
What sound do oi and oy make?
The same one: the vowel sound in coin and toy. It is a diphthong, a sound that begins with one vowel and glides to another inside a single syllable.
When do you use oi and when oy?
In these lists oy ends a word or a base word (toy, enjoy, joyful, employment) or comes before a vowel (royal, voyage). Oi comes before a consonant (coin, point, moisture). Oyster, boycott, gargoyle and sequoia break the pattern.
Does oi always make the same sound?
No. In choir the letters sound like the vowel in fire, in tortoise the last syllable is a short tis, and in coincide the o and the i fall in different syllables. In coyote, oy sounds like the i in kite.
What are some oi and oy words?
Common oi words are oil, coin, join, point, noise and voice. Common oy words are boy, toy, joy, enjoy and royal. The lists on this page hold 70 words spelled with oi and 43 with oy, each with a one-line meaning.