The Collaborative International Dictionary of English v.0.48:

Neuritis \Neu*ri"tis\, n. [NL., fr. Gr. ney^ron nerve + -itis.]
   (Med.)
   Inflammation of a nerve.
   [1913 Webster]

WordNet (r) 3.0 (2006):

neuritis
    n 1: inflammation of a nerve accompanied by pain and sometimes
         loss of function

Moby Thesaurus II by Grady Ward, 1.0:

163 Moby Thesaurus words for "neuritis":
   MS, adenoiditis, adrenitis, amyotrophic lateral sclerosis,
   appendicitis, arteritis, arthritis deformans, arthritis fungosa,
   arthritis pauperum, atrophic arthritis, atrophic inflammation,
   blennorrhagic arthritis, brain disease, brain fever, bronchitis,
   bunion, bursitis, capillaritis, carditis, catarrh,
   catarrhal inflammation, cephalalgia, cerebellitis,
   cerebral meningitis, cerebral palsy, cerebritis,
   cerebrospinal meningitis, chorea, chronic infectious arthritis,
   chronic inflammation, cirrhotic inflammation, climactic arthritis,
   clitoritis, colitis, collagen disease, conjunctivitis, cystitis,
   degenerative arthritis, diffuse inflammation, emotional disorder,
   encephalitis, endocarditis, enteritis, epilepsy,
   equine encephalomyelitis, exudative inflammation, falling sickness,
   fibroid inflammation, focal inflammation, gastritis, gingivitis,
   glossitis, glossopharyngeal neuralgia, gonococcal arthritis,
   gonorrheal arthritis, gonorrheal rheumatism, gout, gouty arthritis,
   headache, hemophilic arthritis, hepatitis, herpes zoster,
   hyperplastic inflammation, hypertrophic arthritis,
   hypertrophic inflammation, infectional arthritis,
   infectious hepatitis, inflammation, irritable bowel syndrome,
   ischialgia, laryngitis, lumbago, lumbar rheumatism, mastoiditis,
   meningitis, menopausal arthritis, metastatic inflammation,
   metritis, migraine, milk leg, mucous colitis, multiple sclerosis,
   mumps meningitis, myelitis, necrotic inflammation, nephritis,
   nervous disorder, neuralgia, neuropathy, obliterative inflammation,
   ophthalitis, ophthalmia, orchitis, organic psychosis,
   osseous rheumatism, osteitis, osteoarthritis, osteomyelitis,
   otitis, ovaritis, palsy, paradental pyorrhea, penitis,
   pericarditis, periodontitis, peritonitis, pharyngitis, phlebitis,
   podagra, polyneuritis, pressure neuropathy, priapism,
   proliferative arthritis, prostatitis, pyonephritis, pyorrhea,
   pyorrhea alveolaris, radiculitis, reactive inflammation,
   rheumatism, rheumatiz, rheumatoid arthritis, rhinitis,
   sciatic neuritis, sciatica, sclerosing inflammation,
   seroplastic inflammation, serous inflammation, serum hepatitis,
   shaking palsy, shingles, simple inflammation, sinusitis,
   spastic colon, spastic paralysis, specific inflammation,
   subacute rheumatism, suppurative arthritis,
   suppurative inflammation, syphilitic arthritis, tennis elbow,
   testitis, the jerks, thrombophlebitis, tic douloureux, tonsilitis,
   torticollis, toxic inflammation, toxic psychosis,
   traumatic inflammation, tuberculous arthritis,
   tuberculous rheumatism, ulcerative colitis, uratic arthritis,
   ureteritis, urethral arthritis, urethritis, uteritis, vaginitis,
   vertebral arthritis, visceral rheumatism, vulvitis, wryneck