Difference between Questionable and Suspect

QUESTIONABLE vs SUSPECT: NOUN

A person or institution against whom an action is brought in a court of law; the person being sued or accused
Someone who is under suspicion
Suspicion.
A vague or slight opinion.
A person who is suspected of something, in particular of committing a crime.
A suspected person; one suspected of a crime, offense, or the like.
Something suspicious; something causing suspicion.
One who, or that which, is suspected; an object of suspicion; -- formerly applied to persons and things; now, only to persons suspected of crime.
One who is suspected, especially of having committed a crime.

Of dubious respectability or morality
Liable to question; subject to be doubted or called in question; problematical; doubtful; suspicious.
Admitting of being questioned; inviting, or seeming to invite, inquiry.
Subject to question
Of dubious morality or respectability.
Not yet determined or specified.
Open to doubt or challenge; problematic.
Able to be refuted
Problematic; open to doubt or challenge

To imagine to exist; to have a slight or vague opinion of the existence of, without proof, and often upon weak evidence or no evidence; to mistrust; to surmise; -- commonly used regarding something unfavorable, hurtful, or wrong.
To hold to be uncertain; to doubt; to mistrust; to distruct.
To look up to; to respect.

Capable of being questioned or inquired of; inviting or seeming to invite inquiry or conversation.
Liable to question; suspicious; doubtful; uncertain; disputable: as, the deed is of questionable authority; his veracity is questionable.

To imagine to exist; have a vague or slight opinion of the existence of, often on weak or trivial evidence; mistrust; surmise.
To imagine to be guilty, upon slight evidence or without proof.
To hold to be uncertain; doubt; mistrust; distrust.
To look up to; respect; esteem.
To imagine guilt, danger, or the like; be suspicious.
Suspected; suspicious.
Doubtful; uncertain.
Believe to be guilty
Have no faith or confidence in
Regard with suspicion
Regard as untrustworthy
The person being sued or accused
Hold in suspicion

Supposed, Apocryphal, Deniable, Suspect, Refutable, Alleged, Equivocal, Suspicious, Fishy, Problematical, Shady, Problematic, Debatable, Doubtful, Dubious

Man, Perpetrator, Assailant, Queer, Shady, Mistrust, Distrust, Funny, Doubt, Questionable, Fishy, Surmise, Accused, Defendant, Suspicious

Supposed, Apocryphal, Deniable, Suspect, Refutable, Alleged, Equivocal, Suspicious, Fishy, Problematical, Shady, Problematic, Debatable, Doubtful, Dubious

Culprit, Perp, Man, Perpetrator, Assailant, Queer, Shady, Mistrust, Funny, Doubt, Questionable, Fishy, Accused, Defendant, Suspicious

Histopathology should be considered to discern questionable lesions.
Implement procedures for follow up on questionable cases.
Any questionable purchases are reimbursed by the employees.
The value of determining rectal temperature is questionable.
Report: Steph Curry, Kevin Durant questionable tomorrow vs.
Might some of those restrictions be constitutionally questionable?
The evidence behind this dietary strategy is questionable.
Propose removing this verbiage as it is questionable whether this is relevant given the amount of information available and possibly ethically questionable.
Do report coupons you see that look questionable by sending any valuable information you have about where you saw or received a questionable coupon.
We have software on all our electronics that alerts each other if we go to questionable sites or search questionable content, etc.

Police Arrest Suspect Linked To Kidnapping Of Food.
State legislation that displaced the common law was therefore suspect and federal legislation that displaced state common law was equally suspect.
The media is rolled or pushed into the suspect material and the porous nature of the media collects the suspect material.
Second, feedback is virtually impossible when the administrator does not know who the suspect is or which photograph is that ofthe suspect.
Immediately after the preliminary suspect interview, the detective should determine whether a forensic sexual assault examination of the suspect should be conducted.
Once the suspect exited the store, officers stopped the suspect.
Advocates say the latter would ensure a suspect is prosecuted and victims see justice served before the suspect is deported.
He searched the rooms on the fourth floor for the suspect without a warrant and arrested the suspect.
OPD officers located the suspect as he fled the area and made the arrest of the suspect.
If the suspect is not in custody, all questioning of the suspect will cease immediately.