No.

From The Cipher Exchange:

Chose a 9-letter keyword to set up an array as shown. Pt is enciphered exactly as in the Fractionated Morse, x between letters, xx between words. The result is then taken off in units of 2, placed vertically, and numbers are taken from the array to form the ciphertext. Numbers represent alphabetical order of the key. (It is often as easy to read pairs horizontally as to rearrange them vertically.)

 W I S E C R A C K
 9 5 8 4 2 7 1 3 6
 -----------------
 . . . _ _ _ x x x
 . _ x . _ x . _ x

 P:   o   n  c   e   u   p    o   n   a  t  i  m e
 MC: ___x_.x_._.x.xx.._x.__.x___x_.xx._xx_x..x__x.x
 C:  2 7 4 3 5 8 8 1 5 1 2 8 2 7 4 6 5 6 7 9 3 7 8

I’m off to Cipher Clerk for this one.

Trying to think of possible 9 letter keywords…

Virtually gave me nothing.  Neither did Invisible, or ideograph or abcdefghi…

Then I realized that Morbit relies on numbered input instead of letters.

Mission accomplished, K4 is not a Morbit cipher.  At least not alone, it could potentially be used in combination with something else but as a single ciphering cryptosystem it is not a viable option.

Kryptosfan

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