[恐「おそ」]れがある => There is a chance of A N2
Potential, Possibility
恐らく => perhaps; likely; probably; I dare say ~ N2
恐れがある => it is feared that; to be in danger of; to be liable to; possibility of; risk of ~ N2
いまさらながら => Still ... now N3
Time
...が ...なら ...も ...だ => ... Anyway... whatever N2
Criticize
ながら(も) => but; although; despite ~. N2
ながらに,ながらの,ながらにして => While A, during the condition A, Since A (point in time) N1
Time, Situation
~ながら、 => While A, B N5
Verb suffixes
しかしながら => however, nevertheless N2
Things do not match the prediction
まだV-られない => Not yet ~ N4
Ability
ながら(も) => Although A, B N2
Contrast,Surprise
が~なら~は~だ => If... is..., then... is... N3
Compare