No. Blessing is a noun, or a verb form. The closest adverb form is "blessedly."

Air conditioning is more luxury than necessity in Anchorage, where temps rarely exceed the 70's, and summer evenings are blessedly cool.

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 7 words with the pattern -L----DL-. That is, nine letter words with 2nd letter L and 7th letter D and 8th letter L. In alphabetical order, they are:

alarmedly

allegedly

allowedly

blessedly

blurredly

flaccidly

pleasedly

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 7 words with the pattern -L---ED--. That is, nine letter words with 2nd letter L and 6th letter E and 7th letter D. In alphabetical order, they are:

alarmedly

allegedly

allowedly

blesseder

blessedly

blurredly

pleasedly

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern BL---E--Y. That is, nine letter words with 1st letter B and 2nd letter L and 6th letter E and 9th letter Y. In alphabetical order, they are:

blaeberry

blessedly

blueberry

blurredly