The spelling of the word "echard" can be explained using the International Phonetic Alphabet (IPA). The first two letters, "e" and "c," are pronounced as /ɛ/ and /k/ respectively. The following two letters, "h" and "a," represent the sound /h/ and the short vowel /æ/. The final letter, "d," is pronounced as a voiced dental consonant /d/. The combination of these sounds creates the unique spelling and pronunciation of the word "echard."