Microseismical is valid Scrabble Word

Is microseismical a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is microseismical valid Words with Friends?
Words with Friends NO

Definitions for MICROSEISMICAL in dictionary:

Similar words containing SEISMIC without suffix al and without prefix micro

seismic11 aseismic12 coseismic15 seismical13 coseismics16 isoseismic14 seismicity17 isoseismics15 seismically18 microseismic20 seismicities16 microseismicity26 microseismiciti23 microseismicities25
Find what other words can be done using letters: "microseismical"
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