What are some eight letter words with 1st letter E and 2nd letter C and 5th letter D?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern EC--D---. That is, eight letter words with 1st letter E and 2nd letter C and 5th letter D. In alphabetical order, they are:

ecaudate

echidnae

echidnas

ectoderm