The table below lists pairs of related words. In the words in the left-hand column the vowel in the stressed syllable is eɪ, while for the words in the right-hand column it is æ.
| eɪ | æ |
| capacious | capacity |
| cave | cavity |
| chaste | chastity |
| defame | defamatory |
| exclaim | exclamatory |
| explain | explanatory |
| grade | gradual |
| grain | granular |
| grateful | gratitude |
| grave | gravity |
| humane | humanity |
| inflame | inflammable |
| mania | manic |
| mendacious | mendacity |
| opaque | opacity |
| profane | profanity |
| rabies | rabid |
| radix | radical |
| sagacious | sagacity |
| sane | sanity |
| tenacious | tenacity |
| vain | vanity |
Note: the word rabid can also be pronounced ˈreɪbɪd.
2014_04_15