Following are all the ultradian like words, in the list below.
RHYTHMICITY
100% like ultradian
CHRONOBIOLOGICAL
50.36% like ultradian
CIRCADIAN
50.36% like ultradian
CIRCANNUAL
50.36% like ultradian
EUTHERMIC
50.36% like ultradian
INTRADIALYTIC
50.36% like ultradian
DIURNAL
50.36% like ultradian
PHOTOPERIODIC
50.36% like ultradian
BIORHYTHMIC
50.36% like ultradian
COSINOR
50.36% like ultradian
FIBRILLATORY
50.36% like ultradian
METACHRONAL
50.36% like ultradian
INTERTRIAL
50.36% like ultradian
OSCILLATORY
50.36% like ultradian
CHRONOBIOLOGY
50.36% like ultradian
SOMATOTROPIC
50.36% like ultradian
BIOPHYSIOLOGICAL
50.36% like ultradian
OSCILLATIONS
50.36% like ultradian
RHYTHMIC
50.36% like ultradian
NEUROVISCERAL
50.36% like ultradian
NONRADIAL
50.36% like ultradian
DESYNCHRONY
50.36% like ultradian
ACTIVATIONAL
50.36% like ultradian
NEUROMETABOLIC
50.36% like ultradian
PRESLEEP
50.36% like ultradian
PULSATORY
50.36% like ultradian
OSCILLATION
50.36% like ultradian
PHOTOPERIODISM
50.36% like ultradian
ENDOCRINAL
50.36% like ultradian
NEUROVEGETATIVE
50.36% like ultradian
ISOCHRONIC
50.36% like ultradian
POSTMENSTRUAL
50.36% like ultradian
ELECTROCORTICAL
50.36% like ultradian
REENTRAINMENT
50.36% like ultradian
TEMPOROSPATIAL
50.36% like ultradian
GAMETOGENIC
50.36% like ultradian
SEMIDIURNAL
50.36% like ultradian
NONSYNCHRONOUS
50.36% like ultradian
AROUSABILITY
50.36% like ultradian
HYPOMETABOLIC
50.36% like ultradian
PERIOVULATORY
50.36% like ultradian
VASOMOTION
50.36% like ultradian
EXTRASYSTOLE
50.36% like ultradian
PULSATIONAL
50.36% like ultradian
ACROPHASE
50.36% like ultradian
GONOTROPHIC
50.36% like ultradian
PSYCHOBIOLOGICAL
50.36% like ultradian
NEUROENDOCRINOLOGICAL
50.36% like ultradian
DESYNCHRONIZATION
50.36% like ultradian
ELECTROCLINICAL
50.36% like ultradian
INTERMENSTRUAL
50.36% like ultradian
PREICTAL
50.36% like ultradian
NEUROELECTRIC
50.36% like ultradian
CYCLICAL
50.36% like ultradian
HYPERSOMNIA
50.36% like ultradian
AUDIOGENIC
50.36% like ultradian
NEUROBIOLOGIC
50.36% like ultradian
ARRHYTHMIC
50.36% like ultradian
PERIPARTUM
50.36% like ultradian
COUNTERREGULATORY
50.36% like ultradian
NOCTURNAL
50.36% like ultradian
OPTOMOTOR
50.36% like ultradian
MIGRAINOUS
50.36% like ultradian
TUBERAL
50.36% like ultradian
MENSURAL
50.36% like ultradian
HETEROCHRONIC
50.36% like ultradian
NEUROGENETIC
50.36% like ultradian
INTERDIALYTIC
50.36% like ultradian
SYNODIC
50.36% like ultradian
EXTRASYSTOLES
50.36% like ultradian
HYPERSOMNOLENCE
50.36% like ultradian
MODULATIONAL
50.36% like ultradian
MORPHOPHYSIOLOGICAL
50.36% like ultradian
SOMATOMOTOR
50.36% like ultradian
LUNISOLAR
50.36% like ultradian
CLONIC
50.36% like ultradian
ULTRALONG
50.36% like ultradian
INFRADIAN
50.36% like ultradian
HEMERAL
50.36% like ultradian
NICTEMERAL
50.36% like ultradian
AHEMERAL
50.36% like ultradian
SUBDAILY
50.36% like ultradian
SESQUIDIURNAL
50.36% like ultradian
CIRCATIDAL
50.36% like ultradian
DAILY
50.36% like ultradian
SUBSEASONAL
50.36% like ultradian
SUBWEEKLY
50.36% like ultradian
HYPERNYCHTHEMERAL
50.36% like ultradian
INTRADIURNAL
50.36% like ultradian
NOCTIDIURNAL
50.36% like ultradian
SEMI-DAILY
50.36% like ultradian
SEMINOCTURNAL
50.36% like ultradian
CIRCASEMIDIAN
50.36% like ultradian
QUOTIDIAN
50.36% like ultradian
NOCTIDIAL
50.36% like ultradian
BIDAILY
50.36% like ultradian
CIRCASEPTAN
50.36% like ultradian
HOURLY
50.36% like ultradian
BIHOURLY
50.36% like ultradian
EQUIDIURNAL
50.36% like ultradian