d-
Latin Plural Endings
a endings:
alga: algae or algas
antenna: antennas or antennae (only antennae is correct for the sensory organs on animals; antennas in more common in other contexts)
formula: formulas or formulae
larva: larvae or larvas
vertebra: vertebrae or vertebras.
ex:
apex: apexes or apices
index: indexes or indices
vortex: vortices or vortexes
is:
analysis: analyses
axis: axes
basis: bases
crisis: crises
diagnosis: diagnoses
ellipsis: ellipses
hypothesis: hypotheses
oasis: oases
paralysis: paralyses
parenthesis: parentheses
synopsis: synopses
synthesis: syntheses
thesis: theses