The difference in spelling involves more than a single letter; but in using the words in a sentence, the subtle distinction of a single consonant makes for all the relevance in the world. One refers to the very history and evolution of words, their meaning and usage; the other is a branch of a larger discipline of arthropodology, the subset of which focuses upon insects and the study thereof. In speech, therefore, the mistaken insertion of the consonant can create a hilarious situation resulting from the unknowing misuse of the word; whereas, in written form, it would probably be quickly identified as a misspelling and overlooked without appreciating the “funny-ness” of the error. […]