Scytale - Dune - was created in 1969.

for sending messages

There is no Japanese word for this, so it is written in katakana: ｻｲﾃﾙ 'saiteru' pronounced 'sa-ee-teh-ru'

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -CY-A--. That is, seven letter words with 2nd letter C and 3rd letter Y and 5th letter A. In alphabetical order, they are:

acylate

scybala

scytale

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -CY---E. That is, seven letter words with 2nd letter C and 3rd letter Y and 7th letter E. In alphabetical order, they are:

acylate

scytale