nonechoic
/nəʊnˈɛkɒɪk/Definitions
1. adjective
Not based on or derived from echoic words, such as onomatopoeic words that imitate sounds.
“The nonechoic nature of the word ‘blue’ makes it unique among other words in the language.”
2. noun
A type of word that is not echoic.
“The linguist studied the properties of nonechoic words in her research on language patterns.”