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.
curved, twisted
linear, unbending
The word "though" has five graphemes: th / o / u / g / h.
3
3
4
6
2
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/.