What's the difference between hornwork and hornwort?

Hornwork

Definition:

(n.) An outwork composed of two demibastions joined by a curtain. It is connected with the works in rear by long wings.

Example Sentences:

Definition:

Example Sentences:

(1) The visible absorption, CD, and EPR spectra of hornwort plastocyanin indicated a complete similarity of blue copper center to those of terrestrial higher plants and algae.
(2) The hornwort plastocyanin resembles in amino acid composition terrestrial higher plant plastocyanins rather than alga plastocyanins but is peculiar in the content of Phe and Tyr residues.
(3) The plants – such as hornwort and water crowfoot – thrive on the phosphorus and nitrogen from the water, and stop the growth of algae and pathogens.
(4) The biological recording courses operated by Birmingham University have trained hundreds of ecologists who work for the UK's most famous organisations – the National Trust, the Wildlife Trusts, the Natural History Museum, among them – and many more obscure, but vital, charities and research bodies which focus on groups like bryophytes (mosses, liverworts, and hornworts) and conchology (molluscs).
(5) However, the ultraviolet absorption spectrum of hornwort plastocyanin exhibited a lower tyrosine (Tyr) and a higher phenylalanine (Phe) content of the protein comparing with other plastocyanins.
(6) Plastocyanin isolated from an aquatic higher plant, Ceratophyllum demersum L. (hornwort), has been characterized by electronic absorption, circular dichroism (CD), and electron paramagnetic resonance (EPR) spectroscopies.