Why both words are equally good for you.
The most common vowel sound in English causes many spelling problems.
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
Figuring it out at once
Some imitative words are more surprising than others
They started as same word, but their meanings have drifted apart over time.
The awkward case of 'his or her'