| thigh | thy |
| mouth (noun) | mouth (verb) |
| teeth (noun) | teethe (verb) |
| wreath (noun) | wreathe (verb) |
| ether | either |
| cloths (noun) | clothes (noun – vowel change) |
| cloth (noun) | clothe (verb – vowel change) |
| bath (noun) | bathe (verb – vowel change) |
| breath (noun) | breathe (verb – vowel change) |
| sooth (adj. or noun) | soothe (verb) |