9-Letter Words Containing: PIR_

• not having come to an end or been terminated by passage of time

• belief in the existence of vampires

• the actions or practices of a vampire

• biological theft; illegal collection of indigenous plants by corporations who patent them for their own use

• derived from experiment and observation rather than theory

• relying on medical quackery

• minute parasite of red blood cells of mammals transmitted by a tick and causing diseases of domestic animals

• freshwater algae consisting of minute filaments containing spiral chlorophyll bands

• engage in plotting or enter into a conspiracy, swear together

• act in unison or agreement and in secret towards a deceitful or illegal purpose