z , q, x, y, and sometimes k are like, the least used letters.
An epitaph
The letters "E" and "Z" spell out "EZ," which is often used as shorthand for "easy" or "not difficult."
grindstone
They are irregular because they are based on which letters are used often together.
Romaji is based on Roman letters, so it's like English, but is not used often in actual Japanese. Kanji is from the Chinese letters and is commonly used.
Often the letters CT are used when describing the carat weight of a gem-stone.
armour
That would be sulphuric acid, which is often used in car batteries.
The vowels e, a, i, o, and u are very high, so are the letters t, s, l, r, & n . The letters d, g. h, are higher than the letters b, c, m, & p. The remaining letters are less often found in words although the letters f, w, & y are more likely found than k, v, & j and q, x, & z are least often used. The game of Scrabble has points printed on the letters based on how often they are used in words in the English language.
Capital letters are also known as uppercase letters and are typically used at the beginning of sentences, proper nouns, and the pronoun "I." They are larger in size compared to lowercase letters and are often used to draw attention and for emphasis in writing. In some languages, the use of capital letters has specific rules governed by grammar and punctuation.
E is the most common, with T coming in second and A third.
In the BBC quiz show "Only Connect," the Greek letters commonly used are Alpha (Α), Beta (Β), and Gamma (Γ). These letters often represent different categories or themes in the game. They are used symbolically to designate teams or rounds during the competition.