Abbatical is an alternative form of abbatial.
As adjectives the difference between abbatical and abbatial
is that
abbatical is {{context|obsolete|lang=en}} (
abbatial) {{defdate|attested from the mid 17
th century until the mid 19
th century}}
[{{reference-book | last =| first = | authorlink = | coauthors = | editor =brown, lesley | others = | title = the shorter oxford english dictionary | origdate = | origyear = 1933| origmonth = | url = | format = | accessdate = | accessyear = | accessmonth = | edition = 5th | date = | year =2003| month = | publisher =oxford university press | location =oxford, uk | language = | id = | doi = | isbn =978-0-19-860575-7 | lccn = | ol = | pages =3| chapter = | chapterurl = | quote =}}] while
abbatial is belonging to, relating to, or pertaining to an abbey, abbot, or abbess {{defdate|late 17
th century}}
[{{reference-book | last =| first = | authorlink = | coauthors = | editor =lindberg, christine a | others = | title = the oxford college dictionary | origdate = | origyear = 2002| origmonth = | url = | format = | accessdate = | accessyear = | accessmonth = | edition = 2nd | date = | year =2007| month = | publisher =spark publishing | location =new york, ny | language = | id = | doi = | isbn =978-1-4114-0500-4 | lccn = | ol = | pages =1| chapter = | chapterurl = | quote =}}][{{reference-book | last =| first = | authorlink = | coauthors = | editor =brown, lesley | others = | title = the shorter oxford english dictionary | origdate = | origyear = 1933| origmonth = | url = | format = | accessdate = | accessyear = | accessmonth = | edition = 5th | date = | year =2003| month = | publisher =oxford university press | location =oxford, uk | language = | id = | doi = | isbn =978-0-19-860575-7 | lccn = | ol = | pages =3| chapter = | chapterurl = | quote =}}].