Language & Codes
Alphabets, signaling systems, and the symbols we communicate with.
Common Latin Phrases
Latin phrases and abbreviations that show up in everyday English.
20 entries
Greek & Latin Roots
Common word roots that unlock the meaning of thousands of English words.
20 entries
Greek Alphabet
All 24 letters of the Greek alphabet with their names and Latin transliterations - the symbols behind math, science, and fraternities.
24 entries
Morse Code
International Morse code for every letter and digit - dots and dashes for A–Z and 0–9.
36 entries
NATO Phonetic Alphabet
The 26 code words used to spell letters unambiguously over radio and telephone - Alfa, Bravo, Charlie, and the rest.
26 entries
Roman Numerals
The Roman numeral symbols and the subtractive forms - everything you need to read any numeral.
13 entries