1) Acknowledgement 2) Acknowledgment 3) Appreciation 4) Appreciation word 5) Appreciative remark 6) Expresses gratitude 7) Expresses gratitude to 8) Gratefulness 9) Gratitude 10) It can come before a million 11) Merci or gracias 12) Response to a helper 13) Terse email reply 14) Thankfulness 15) What to give a paraclete Found on https://www.crosswordclues.com/clue/thanks