Synonyms For "Lapsable" :

1 syllable:

pass, sink

2 syllables:

backslide, elapse, fall back, glide by, go by, lapsing, regress, relapse, slide by, slip by

3 syllables:

backsliding, go along, oversight, relapsing, retrogress, reversion, reverting, slip away

4 syllables:

recidivate