Chrome os:
Version 73.0.3669.0/11578.0.0 dev-channel scarlet test
Input tools version:
73.0.20181227.227100664

REPRO STEPS:
1.Switch to Google Japanese input(for US or Japanese keyboard)
2.Tap any key , followed space key 
3.With more candidate view displayed
4.Tap any suggest word or tap any word in the candidate view

Actual:
Submitted word is not tapped word, they are not consistent 
refers to attached video

 

Deleted: Jan 16, 2019 2_26 PM.webm 647 KB

	Jan 16, 2019 2_26 PM.webm 647 KB View Download