The word "straight" contains seven graphemes: 's', 't', 'r', 'a', 'i', 'g', and 'h', with the 't' at the end representing the phoneme /t/. Each letter corresponds to a distinct sound or combination of sounds in the word.
The word "centaur" contains 7 graphemes. Each letter in the word represents a distinct grapheme: c, e, n, t, a, u, and r. Graphemes can include single letters or combinations that represent a single sound, but in this case, each letter corresponds to a single grapheme.
Straight, Straighter, Straightest
The word "straight" is in the King James Version of the Bible 28 times. It is in 28 verses. Please see the related link below.
The word straight does have an antonym, which is crooked. So perhaps a crooked line is the opposite of a straight line.
linear, unbending
The word "though" has five graphemes: th / o / u / g / h.
6
2
4
3
3
5
The word 'Plates' has 5 phonemes (/p/, /l/, /ey/, /t/, /s/) and 5 graphemes (p, l, a, t, e).
/l/u/n/ch
The English writing system has 461 graphemes which represent 40 phonemes.
There are five graphemes in the word eight, e, i, g, h and t. However, there are only two or possibly three phonemes depending which parts of the word are regarded as digraphs or trigraphs.
The word "finger" contains 5 phonemes: /f/ /ɪ/ /ŋ/ /g/ /ə/.