Tension is a related term of grievance.

As nouns the difference between tension and grievance

is that tension is tension while grievance is (countable) something which causes grief.

As verbs the difference between pillage and rifle

is that pillage is to loot or plunder by force, especially in time of war while rifle is to search with intent to steal; to ransack, pillage or plunder.

As nouns the difference between pillage and rifle

is that pillage is the spoils of war while rifle is a long firearm firing a single projectile, usually with a rifled barrel to improve accuracy.

Forefather is a synonym of originator.

As nouns the difference between forefather and originator

is that forefather is ancestor^(w) while originator is someone who originates, creates or founds something.

Suggestion is a related term of conception.

As nouns the difference between suggestion and conception

is that suggestion is (countable) something suggested (with subsequent adposition being for ) while conception is the act of conceiving.

Persistence is a related term of guts.

As nouns the difference between persistence and guts

is that persistence is the property of being persistent while guts is .

Chary is a related term of alert.

As an adjective chary

is (obsolete) sad; sorrowful; grievous.

As a proper noun alert is

the northernmost inhabited place in nunavut, canada.

Fallacy is a related term of oversight.

As nouns the difference between fallacy and oversight

is that fallacy is deceptive or false appearance; deceitfulness; that which misleads the eye or the mind; deception while oversight is an omission; something that is left out, missed or forgotten.

Pivotal is a synonym of climactic.

As adjectives the difference between pivotal and climactic

is that pivotal is of, relating to, or being a pivot while climactic is of, pertaining to, or constituting a climax; reaching a decisive moment or point of greatest tension.

As adjectives the difference between amicable and harmonious

is that amicable is showing friendliness or goodwill while harmonious is showing accord in feeling or action.

Fearlessness is a related term of backbone.

As nouns the difference between fearlessness and backbone

is that fearlessness is the quality of being fearless while backbone is the series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.