The fmt_passthrough() function

Use exibble to create a gt table. Keep only the char column. Pass the data in that column through but apply a simple pattern that adds an "s" to the non-NA values.

exibble |>
  dplyr::select(char) |>
  gt() |>
  fmt_passthrough(
    columns = char,
    rows = !is.na(char),
    pattern = "{x}s"
  )
char
apricots
bananas
coconuts
durians
NA
figs
grapefruits
honeydews