Word Families

Word families are groups of words that have a common pattern or groups of letters with the same sound. The 37 most common word families in English according to Wylie and Durell are:
-ack, -ain, -ake, -ale, -all, -ame, -an, -ank, -ap, -ash, -at, -ate, -aw, -ay,

-eat, - ell, -est,

-ice, -ick, -ide, -ight, -ill, -in, -ine, -ing, -ink, -ip, -it,

-ock, -oke, - op, -ore, -ot, 

-uck, -ug, -ump, -unk.   

About 500 easy to read, high frequency words comes from only 37 rimes.
There are a few more word families besides these recorded by Wylie and Durell :

-ab, -ad, -ag, -age, -ail, , -am, -ar,

-ed, -eel, -eep, -eet, -eg, -em, -en, -ent, -et,

-ib, -id, -ife, -ig, -ile,

-oat, -ob, -od, -og, -oil, -oo, -ood, -oof, ook, -oom, -ool, -oon, -oop, -oot, -orn, -ought, -ould, -ouse, 
-out, -ow, -own, 

-ub, -ud, -um, -un, -up, -us, -ut