prior to

preliminary previous

before elementary in advance of in anticipation of inductive opening precautionary prefatory prelusive prep preparative primary

auxiliary supplementary

ahead back previously since sooner

afore aforetime ante antecedently anteriorly before present ere fore former formerly forward heretofore in advance in days of yore in front in the old days in the past past precendently previous up to now

after afterward behind later

exceeding

before beyond superior to surpassing

below deficient inferior

since

ahead of ante antecedent to anterior to ere in advance of in front of preceding previous to

after afterward behind later

before in front of on over upon

as far as before before the coming continuously down to in advance of in expectation till to up till up to