Untraceable (2 Occurrences)

Romans 11:33 O depth of riches both of the wisdom and knowledge of God! how unsearchable his judgments, and untraceable his ways! (DBY YLT)

Ephesians 3:8 to me -- the less than the least of all the saints -- was given this grace, among the nations to proclaim good news -- the untraceable riches of the Christ, (YLT)

Untraceable (2 Occurrences)
... Multi-Version Concordance Untraceable (2 Occurrences). Romans ... God! how
unsearchable his judgments, and untraceable his ways! (DBY YLT). ...
/u/untraceable.htm - 7k

Untoward (1 Occurrence)

/u/untoward.htm - 9k

Untractable (1 Occurrence)

/u/untractable.htm - 6k

421. anexichniastos -- that cannot be traced out
... a negative particle) and a presumed derivative of a compound of ek and a derivative
of ichnos; not tracked out, ie (by implication) untraceable -- past finding ...
/greek/421.htm - 7k