As nouns the difference between histology and histiology

is that histology is (biology) the study of the microscopic structure, chemical composition and function of the tissue or tissue systems of plants and animals while histiology is (dated) histology.

As verbs the difference between wiring and underwired

is that wiring is while underwired is (underwire).

As a noun wiring

is a mass of electric wires.

As an adjective underwired is

fitted with wiring or straps to provide better support for the breasts.

As verbs the difference between strap and underwired

is that strap is to beat or chastise with a strap; to whip, to lash while underwired is (underwire).

As a noun strap

is a long, narrow, pliable strip of leather, cloth, or the like.

As an adjective underwired is

fitted with wiring or straps to provide better support for the breasts.

As a noun urn

is a vase with a footed base.

As a verb inurned is

past tense of inurn.

As an adjective inurned is

of cremated ashes: placed in an urn; buried, entombed.

As adjectives the difference between buried and inurned

is that buried is placed in a grave at a burial while inurned is of cremated ashes: placed in an urn; buried, entombed.

As verbs the difference between buried and inurned

is that buried is past tense of bury while inurned is past tense of inurn.

As verbs the difference between entombed and inurned

is that entombed is (entomb) while inurned is (inurn).

As an adjective inurned is

of cremated ashes: placed in an urn; buried, entombed.

As a noun bipyramid

is a dipyramid.

As an adjective bipyramidal is

having the shape of a bipyramid.

As nouns the difference between alkyl and mercaptoalkyl

is that alkyl is alkyl while mercaptoalkyl is (organic chemistry|especially in combination) an alkyl group having a mercaptan (thiol) substituent.

As nouns the difference between mercaptan and mercaptoalkyl

is that mercaptan is mercaptan while mercaptoalkyl is (organic chemistry|especially in combination) an alkyl group having a mercaptan (thiol) substituent.

As nouns the difference between thiol and mercaptoalkyl

is that thiol is a univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical while mercaptoalkyl is an alkyl group having a mercaptan (thiol) substituent.