The best synonym for sometimes is occasionally. You can also say from time to time, now and then, periodically, intermittently.
uninteresting
Cooliousis
high up!!!
You might be able to use words like 'left', or 'departed'.
However, instead, on the other hand, except, besides, nonetheless, otherwise, although, despite the fact, meanwhile & although
two
you are not
rather, preferably, alternately
'also' 'in addition' 'as well as' sometimes 'but' can be used 'further to this'
since
Abscond.
uninteresting
Cooliousis
Special?
execute
Thou, ye, thee
Artillery,Armory