Why D matters
D sits at position 14 in English frequency. Its morse is the exact reverse of U (“..-”), which is a useful memorization pair to drill together.
Memorization tip
“DOG-did-it” — one long, two short. Reverse of U.
Common English words starting with D
Where this letter appears in the ITU alphabet
The full A–Z chart shows every letter side-by-side so you can see the pattern of dots and dashes. For just the numbers, see morse code numbers 0–9. For a printable version, the chart page combines letters, digits, and punctuation in one layout.
The history of D
D comes from the Phoenician daleth, meaning door — the symbol was drawn as a triangular door-flap. The Greeks tilted it into delta (the triangle), and the Romans rounded the back to give us the D we still use. The letter has held its slot near the start of the alphabet for almost three thousand years, and in English it powers some of the most common short words: 'do', 'day', 'down', and the past-tense suffix '-ed'.
D in CW operating
D has no formal prosign meaning, but it is the lead character in DE — the international shorthand for 'from', as in 'W1AW DE K1ABC' meaning 'W1AW, this is K1ABC'. Every CW QSO contains DE somewhere in its first exchange. The letter also appears constantly inside callsigns and Q-codes, so getting D solid early pays off out of all proportion to its 4.3% English frequency.
What position 14 means in practice
D at position 14 means roughly one D for every twenty-three characters of running English — a steady drip that ensures you'll see D often enough in real text to keep it sharp. The high frequency of the past-tense suffix '-ed' bumps D's effective rate even higher than its raw rank suggests. In CW, the constant use of DE ('from') in callsign exchanges means every QSO opens with at least one D, often within the first few characters. That makes D one of the highest-leverage letters to lock early — the practical encounter rate is well above the position-14 ranking.
How to drill it
D and U are exact reversals (dah-di-dit versus di-di-dah) and should be drilled as a pair. The most common error at speed is hearing D as B (dah-di-di-dit) — your ear may insert a phantom fourth dot. Counting elements explicitly during early sessions cures this in a day or two.
Most-confused with: U, B, X — drill them together.
Sample copy: “Dad did dishes during dinner today.”
Frequently asked questions
What is the letter D in morse code?
The letter D in international morse code is "-.." — 3 symbols.
How do I remember the morse code for D?
"DOG-did-it" — one long, two short. Reverse of U.
How common is the letter D in English?
D is position 14 in English frequency, appearing in about 4.3% of running text.