As a noun hemisphere

is hemisphere.

As an adjective olivocerebellar is

of or pertaining to the olivary nucleus and cerebellar hemisphere, especially with regard to the olivocerebellar tract connecting the two by means of fibres.

As nouns the difference between sticky and permathread

is that sticky is a sticky note, such as a post-it note while permathread is a permanent or perennial thread of discussion.

As an adjective sticky

is able or likely to stick.

As a verb sticky

is to fix a thread at the top of the list of topics or threads so as to keep it in view.

As nouns the difference between gothicness and gothicity

is that gothicness is (architecture|literature) the state or condition of being gothic while gothicity is gothicness.

As an adjective gothic

is (gothic).

As a noun gothicness is

(architecture|literature) the state or condition of being gothic.

As a noun brainstem

is an alternative spelling of lang=en.

As an adjective corticobulbar is

of or pertaining to the cerebral cortex and the brainstem, especially with regard to the corticobulbar tract, a white matter pathway connecting the two.

As a noun pathway

is a footpath or other path or track.

As an adjective corticobulbar is

of or pertaining to the cerebral cortex and the brainstem, especially with regard to the corticobulbar tract , a white matter pathway connecting the two.

As nouns the difference between salinity and brackishwater

is that salinity is the quality of being saline while brackishwater is water whose salinity falls between that of fresh water and that of seawater.

As nouns the difference between seawater and brackishwater

is that seawater is the saltwater of a sea or ocean while brackishwater is water whose salinity falls between that of fresh water and that of seawater.

As nouns the difference between permanent and permathread

is that permanent is a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm while permathread is (internet|slang) a permanent or perennial thread of discussion.

As an adjective permanent

is without end, eternal.

As a verb permanent

is (dated) to perm (the hair).

As nouns the difference between perennial and permathread

is that perennial is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial) while permathread is (internet|slang) a permanent or perennial thread of discussion.

As an adjective perennial

is lasting or remaining active throughout the year, or all the time.