To sign the word "achenia," use both hands to make a fist with your index finger pointing forward, then move your index fingers in circles in front of your chest.
To sign the word "achene," use your dominant hand to make a fist and tap the back of your other hand twice, representing the two syllables of the word.
To sign the word "achen," use both hands and make a fist with your index and middle fingers extended. Place the fingertips of each hand on either side of your…